00487nam a22001697a 4500 250306b |||||||| |||| 00| 0 eng d 9994650828 23rd. 546 P882n Pradhan, B.G. A new book on chemical calculation / B.G. Pradhan. Kathmandu : Koselee Prakashan, 2007. 284p. Includes bibl;iography. Chemical elements 7648 Chemical equations ddc ISBN 120624 120612 0 0 ddc 0 0 TUCL TUCL 2025-03-06 0 546 P882n IS10086 2025-03-06 10:10:34 2025-03-06 ISBN