Raj Kamal, E. (1992). Solar energy and energy conservation.
Chicago Edition CitationRaj Kamal, Ed. Solar Energy and Energy Conservation. Wiley Eastern Ltd., New Delhi, 1992.
Deismireacht MLARaj Kamal, Ed. Solar Energy and Energy Conservation. 1992.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.