1. Lo, E K and Pushpakumara, C, “Performance and partnership in global manufacturing-modelling frameworks and techniques”, International Journal of Production Economics, Vol. 60–61 (1999), pp 261-269. [PDF] from academia.edu
2. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C. ,“Scenario Based Technology Road Mapping to Transfer Renewable Energy Technologies to Sri Lanka”, Sustainable Energy, Vol. 3, No. 2, 2015, pp 25-35. [PDF] from academia.edu
3. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Delphi as a methodology for eliciting expert opinion--Important factors to be considered”, SSRN Electronic Journal, 2015.
4. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C. (2014), “The progress of Sri Lanka’s renewable energy sector developments in mitigating the GHG emission”, Energy and Environmental Engineering, Vol. 12, No. 5.
5. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C. (2014) “MitigatingClimate Change via Non-Conventional Renewable Energy: Case of Sri Lanka”, Journal of Clean Energy Technologies, Vol. 3, No. 5. [PDF] from jocet.org
6. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., (2015) “Are ready-made technology transfer solutions suitable for developing the renewable energy sector in Sri Lanka?” International Journal of Scientific and Research Publications, Vol.5, No.2. [PDF] from semanticscholar.org
7. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C. (2015), "SECTOR IN SRI LANKA?", International Journal of Scientific and Research Publications, pp. 210. [PDF] from psu.edu
8. Sulaiha Beevi, Athambawa; Wickramarachchi, A.P.R.; Puspakumara, C.  (2017) "Towards technology components adoption: how government role can enhance rice miller’s success: special reference to Eastern province of Sri Lanka", Journal of Information Systems and IT (JISIT), Vol.2,No.1. [PDF] from seu.ac.lk
9. Jothirathne, P., Pushpakumara, C. (2017). "Review the Sri Lankan Information and Communication Technology Industry", International Journal of Management, Accounting and Economics, Vol.2, No.4, pp. 178-187. [PDF] from ijmae.ir

Conferences and Symposia

1. Pushpakumara, C and E K Lo, “Evaluation Models for Global Manufacturing”, International Manufacturing Workshop, University of Cambridge, 23-24 September 1996
2. Pushpakumara, C and E K Lo, “Capability Evaluation in Global Steelmaking”, 32nd International MATADOR Conference, University of Manchester Institute of Science and Technology, 10-11 July 1997.
3. Lo, E K, Z Dai and C Pushpakumara, “Performance and Partnership in Global Manufacturing”, 14th International Conference on Production Research, Osaka, Japan, 4-8 August 1997.
4. Abeykoon, K.M.W., Nanayakkara, L.D.J.F., Pushpakumara,C., “ Competitiveness Analysis model for the Sri Lankan Apparel Industry using Analytic Hierarchy Process”, Conference on Sri Lanka – Challenges of a Society in Transition, University of Colombo, 16-18 December 2004
5. Abeykoon, K.M.W., Nanayakkara, L.D.J.F., Pushpakumara,C., “A Framework for Business Process Improvement in the Sri Lankan Apparel Industry by Transforming Customer Expectations to Operational Strategies”, 12th APROS Conference, India, 9 -12 December 2007.
6. Sulaiha Beevi, M.A.C, Pushpakumara, C., Wickramarachchi, A.P.R. and Nanayakkara, L.D.J.F, ”Technology based business transformation” , 10th Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 30 th November – 1st December, 2010
7. De Silva, and Pushpakumara, C, “Evaluation of Business Improvement Projects”, 10th Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 30 th November – 1st December, 2010
8. Sulaiha Beevi, M.A.C, Pushpakumara, C., Wickramarachchi, A.P.R. and Nanayakkara, L.D.J.F, ”Strategic technology adoption and its current state implications on agri business for making sustainable development in Eastern province of Sri Lanka ” , International Research Symposium, South Eastern University of Sri Lanka, 19 th – 21 st April, 2011
9. Athambawa, S.; Pushpakumara, C.; Wickramarachi, A.P.R., "Organizational culture as a determinant factor of business transformation on agri-business in the Ampara District of Eastern Province in Sri Lanka-an empirical study", 1st Annual International Research Conference - 2012 (FMC - AIRC), 2012.
10. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Is the Current Pace of Sri Lanka’S Renewable Energy Development Sufficient to Mitigate the Ghg Emission?”, International Conference on Poverty & Sustainable Development (ICPSD2014), Colombo, Sri Lanka, June 17-18, 2014. [PDF] from researchgate.net
11. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “A Delphi Model for prioritizing important factors in developing renewable energy sector”, HETC Symposium 2014, Colombo, Sri Lanka, July 07-08, 2014. [PDF] from researchgate.net
12. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Technology Foresight for a vision of renewable energy sector development in Sri Lanka by year 2030”, International Conference on Energy (ICOE2014), Colombo, Sri Lanka, August 12-13, 2014.
13. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Mitigating Climate Change via Non-Conventional Renewable Energy: A Case of Sri Lanka”, 4th International Conference on Energy and Environmental Science (ICEES 2014), Kuala Lumpur, Malaysia, September 04 - 05, 2014.
14. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C.,“The role of Scenario planning in technological entrepreneurship”, International Conference on Entrepreneurship (ICENT 2014), Colombo, Sri Lanka, November 04-05, 2014.
15. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “An approach to analyse key renewable energy technologies: A case from Sri Lanka”, IEEE International Conference on Industrial Engineering and Engineering Management (IEEM 2014), Selangor, Malaysia, December 09 - 12, 2014. [PDF] from researchgate.net
16. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “UNFCCC approach in transferring Green-technologies to Sri Lanka”, 2015 Global Conference of Environmental and Sustainability Management Accounting Network (EMAN), Colombo, Sri Lanka, January 28-30, 2015. [PDF] from researchgate.net
17. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Model of renewable energy technology transfer to developing countries: a plausible approach for Sri Lanka ‘”, 5th International Research Symposium on Engineering Advancements, Colombo, Sri Lanka, April 25th, 2015. [PDF] from researchgate.net
18. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Improving technical, environmental and social aspects of electricity generation using biomass: The constrains and opportunities”, International Conference on Energy (ICOE2015), Colombo, Sri Lanka, September 02-04, 2015.
19. Nanayakkara, N.S., Wijekoon, H.P., Withanaarachchi, A.S., “The Challenges of Extracting Sustainable Data From Information Systems”, International Conference on Energy (ICOE2015), Colombo, Sri Lanka, August 12-13, 2014.
20. Withanaarachchi, A.S., Nanayakkara, L.D.J.F, Pushpakumara, C., “Energy for 2030 scenarios for a sustainable future: A case of Sri Lanka”, IEEE International Conference on Industrial Engineering and Engineering Management (IEEM 2015), Singapore, December 06 - 09, 2015.
21. Athambawa, S., A. Wickramarachchi and C. Puspakumara. “Business Transformation through Technology adoption: Special reference to rice millers in Eastern province, Sri Lanka” (2017).