577
MAN/E

2257
2258
2259
2260
2261
2262
2263
2264
2265
2266

Mandal, Tanusri Ecology and environment / Tanusri Mandal. - New Delhi : Dhanpat Rai Publishing Company (P) Limited, 2004 .
161p. ; 24 m.m. include Index 95.00
1. ENVIRONMENTAL SCIENCE