00000nam a2200000 a 4500 20251203090708.0 574.5, D, ver Verma, PS. Principles of ecology: environmental biology Delhi S. Chand 1989 viii, 591p, 22 cm. Book lost & 3 times cost (Rs 35 x 3 = 105) recovered vide challan No.3740 dated 05.12.19 Ecology Agarwal, VK. ENG 100 010 _ 16138 W 16710 16710 2 0 0 0 PU PU 1998-09-14 0 574.5, D, ver 16138 BK