1. A. Kumar, R.H. Zaki, S. Kumar and C. Visvanathan, Electricity consumption at the Asian Institute of Technology, EMSU Conference, Lund, May 30-June1, 1999.
2. S. Kumar and C. Visvanathan, Capacity Building in Cleaner Production in Asia Pacific: Background, Current Status and Future Potential, presented at International Educational Program for Educators on Course and Curriculum Development on Preventive Environmental Managment, 29 May – 18 June 1999, Lund, Sweden.
3. S. Kumar and R.A. Attalage, A web based course for learning solar thermal processes, , International Solar Energy Society Solar World Congress, Jerusalem, July 2-7, 1999.
4. S.C. Bhattacharya and S. Kumar , Dissemination of renewable energy in developing countries: Experience of a regional project in Asia, , International Solar Energy Society Solar World Congress, Jerusalem, July 2-7, 1999.
5. Gauhar Mastekbayava, A. Leon and S. Kumar , Experimental studies on a hybrid dryer, , International Solar Energy Society Solar World Congress, Jerusalem, July 2-7, 1999.
6. S. Kumar and S.C. Bhattacharya, Renewable energy resource and utilization in the ASEAN, , Proceedings of Seminar on New and Renewable energy development and utilization for global environment protection, 22-23 November 1999, Bangkok, pp. 39-53.
7. S. Kumar , S.C. Bhattacharya, M.A. Leon and H.L. Pham, “Opportunities in Renewable Energy Business in South East Asia : The case of solar photovoltaics and solar drying”, Seminar on Institutional Cooperation for Solar Energy in the Mekong Riparian Countries, Hanoi, 11-17 May 1998, 10 pages.
8. T.T. Aye and S. Kumar , ‘Experimental studies on a new box type solar cooker”, World Renewable Energy Conference (WREC), Florence, Italy, September 1998 (4 pages).
9. P. Gnanaranjan, J. Donoghue, W. Rakwichian and S. Kumar , ‘Field results of solar tunnel dryers’, presented at the International Solar Energy Society Solar World Congress, Taejon, Korea, August 24-30, 1997.
10. C. Visvanathan and S. Kumar , ‘A Holistic Cleaner Production Approach for Small and Medium Industries, UNEP Expert Seminar on New Horizons in Cleaner Production, Trolleholm Castle, Sweden, 22-23 October 1997.
11. S. Kumar , ‘Solar thermal applications in rural areas : Two technologies of interest’, Proceedings of the VI International Energy Conference Energex 96, p. 381 – 384, 3 – 7 June, 1996, Beijing, China.
12. S.C. Bhattacharya and S. Kumar , ‘Renewable Energy Education : A priority action during the solar decade 1996 – 2005’, Proceedings of the High Level Expert Meeting on Solar Energy in East and South East Asia, p. 63 – 67, 24 – 27 July 1996, Akita, Japan.
13. S.C. Bhattacharya and S. Kumar , ‘A Regional Renewable Energy Dissemination Programme’, Presented at the Seminar on Financing and Commercialisation of Solar Energy Activities in South and East Asia, 25 – 29 August 1996, Kunming, China
14. S.C. Bhattacharya and S. Kumar , ‘Relevance of Renewable Energy Education : A Survey’, 5th International Symposium on Renewable Energy Education, 22-24 September 1996, Oldenburg, Germany.
15. 5. S.C. Bhattacharya and S. Kumar , ‘Renewable Energy Technologies in Asia : A review of current status of selected initiatives’, 3rd International Renewable Energy Asia Pacific’96, 7-9 October 1996, Manila, Philippines.
16. G. Giuliani, S. Kumar, F. Polonara and P. Zazzini (1994), ‘Experimental determination of vapour pressure of 1,1,1,-trifluoroethane (R143a)’, International Conference on CFC’s, the day after, Padua, Italy, 525-531.
17. P. Vasudevan, K. Muthuchelian, S. Kumar and T.M. Haridasan (1994), �Fuelwood consumption in urban and rural Madurai : A survey’, 8th Annual Symposium of BioEnergy Society of India, New Delhi.
18. C. Palaniappan, S. Kumar and S.V. Subramaniam (1993), ‘Experimental studies on a solar assisted organic fruit dehydration system’, Proceedings of the International Solar Energy Society Solar World Congress, Ed. Laszlo Imr� and Adrias Bitai, Budapest, Hungary, Vol. 8, 103-108.
19. C. Palaniappan and S. Kumar (1993), ‘Potentials for solar energy applications in fruit processing, International Food Convention, Mysore, India.
20. M. Karuppasamy, R. Gnanavel, S. Kumar and T.M. Haridasan (1993), ‘Tar and particulates in producer gas:Experimental study on two commercial gasifiers’, 4rth National Technical Meet on Recent Advances in Biomass Gasification and Combustion, vMysore, 280-286.
21. D. Mutharasu, R. Gnanavel, M. Karuppasamy, S. Kumar and T.M. Haridasan (1993), ‘Biomass gasifiers in rice mills : Prospects and economics in Madurai District’, 4rth National Technical Meet on Recent Advances in Biomass Gasification and Combustion, Mysore, 291-300.
22. S. Kumar (1992), ‘Technological options for rural India’, Proceedings of the International Conference on Neext Generation Technologies for efficient energy end uses and fuel switching, Dortmund, Germany, 885-897.
23. M. Sappani, M.B. Durgaprasad, S. Kumar and T.M. Haridasan (1991), ‘Emission characteristics of a dual fuel compression ignition engine’, National Seminar on Recent Advances in Biomass Gasification technology, Vadodara.
24. A. Karthikeyan, T.M. Haridasan, M.B. Durgaprasad and S. Kumar (1991), ‘Performance of a charcoal gasifier diesel engine system for electrical applications’, National Seminar on Recent Advances in Biomass Gasification technology, Vadodara.
25. S. Kumar , M. Pr�vost and R. Bugarel (1988), ‘Comparison of different working pairs for absorption refrigeration systems : Application of R21, R22 as refrigerants, International Conference on Refrigeration and Air Conditioning, Amman, Jordan, 51-56.
26. S. Kumar, M. Pr�vost and R. Bugarel (1988), ‘Simulation des machines � absorption fonctionnant en mode chauffage’, Recents progr�s en genie des proc�d�s, Toulouse, France,2, 6, 305-310.
27. S. Kumar, M. Pr�vost, B. Fenouillet and R. Bugarel (1987), ‘Micro computer aided data acquisition system for the experimental determination of heat of mixing of R21-DMF mixture used as absorption heat pump working pair’, Proceedings of the 4th Mediteranean Congress on Chemical Engineering, Barcelona, Spain, 1, 239-240.
28. T.A. Reddy, G.Y. Saunier and S. Kumar (1984), ‘Daily utilizability method for tropical areas’, Regional Seminar on Simulation and Design in Solar Energy Applications, Bangkok, Thailand.