00446nam a2200157Ia 4500 230718s9999 xx 000 0 und d eng 621.042 RAO Rao S. 115737 Energy Technical Book Servicesnology Non Conventional, Renewable and Conventional 1997 Khanna Publisher 1032 Rs. 170.00 Rao S. & Parulekar B.B. 187877 ETC 304734 304734 0 0 0 0 CCEP CCEP 2002-12-26 Masurkar Enterprises ETC 170.00 1 621.042 CCEP-BK-15941 2025-11-21 14:26:34 2025-11-04 170.00 2023-07-18 BK 015941