Rai, G. D. Non conventional energy sources - 4th ed. - Delhi Khanna Publishers 2023 - xv, 696 p. #18479, Pradeep Kumar , Includes appendix and index ISBN: 9788174090737 ₹ 639.00 Subjects--Topical Terms: Applied physics Dewey Class. No.: TBB 621.042 R3R