00000nam a2200000 a 4500 20251203091602.0 509, D, ged Gedam, Ratnakar, M. Economics of Science and Technology Delhi Ashish Pub. House 1990 xii, 280p. 22 cm. HB Science & technology ENG 100 010 _ 67631 LIBSC C 58855 C 45377 45377 0 0 0 0 PU PU 1998-04-08 0 509, D, ged 67631 BK 0 0 0 0 PU PU 2001-07-04 0 509, D, ged 58855 BK