00514nam a22001817a 4500 20260128111957.0 ENG-147729 9789391824143 550.00 EN-131261 509.2 1 Ghosh, M.K. 86921 The Great Scientist/ M.K. Ghosh First Delhi Shivani Book Agency 2022 A-55B, GALI NO.6, JAGATPURI EXTN. Delhi 110093 138 p. 23 cm (hb) ddc EN 509.2 GHO 214542 214542