00587nam a22001457a 4500 0 0 0 0 GGL GGL 2019-09-20 Purchased: Multi-line Books 1085.20 1 624 SIN 57261 2022-01-16 00:00:00 2021-12-19 1 BK 0 0 0 0 GGL GGL 2019-09-21 Purchased: Multi-line Books 1085.20 0 624 SIN 57309 2019-09-21 00:00:00 2 BK 26568 26568 9789352864614 (pbk) 624 SIN Singh, Sheelwant Science and technology for civil services preliminary and main examinations Noida Pearson 2019 xviii, various pages : ill. (col.) ; 25 cm. Includes appendices. Science-Technology English literature Renewable resources Space technology Nuclear power Air crafts Communication Biotechnology Metallurgy Software Satellite RILL BK