00680pam a2200229 a 4500 5041 5041 2708 BD-DhUAP 20201129124023.0 201129r19981993ii a b 100 0 eng 8121908833 DLC DLC BD-DhUAP eng 628.5 DAR 23 Dara, S. S. A text book of environmental chemistry and pollution control / S. S. Dara. 1st ed. New Delhi : S. Chand & Co. Ltd., c1993 [Reprinted 1998]. x, 242 pages : illustrations ; 18 cm. Includes index. Environmental chemistry. Pollution. Control. ddc BK 0 0 ddc 0 0 UAPCL UAPCL General Stacks 2020-11-29 628.5 DAR 3010002708 2020-11-29 1 2020-11-29 BK 0 0 ddc 0 0 UAPCL UAPCL General Stacks 2020-11-29 628.5 DAR 3010002774 2020-12-15 2 2020-11-29 BK