1. the 5th National Economic and Social Development Plant(1982–1986);Energy Development Plan,1982
2. Proc. ASEAN-US Seminar on Energy Technology;Kirtikara,1982
3. Alternative Energy for Rural Areas: Electricity Generation by Solar Energy,1992
4. Alternative Energy for Rural Areas: Water Pumping for Village Use and Agriculture by Solar Energy,1992
5. Proc. of Solar'96, the 34th Annual Conf. Australian and New Zealand Solar Energy Society;Khuanmaung,1996