Singh J S
Ecology environment and resource conservation
- New Delhi Anamaya Publisher 2006
- xxvii, 688p. cm.
References 643-678p.; Index 679-688p.
8188342556 (pbk)
83740
1232, 19/02/2009, Educational Book Agency (India) Textual
Ecology
Resource conservation
Environmental Studies
G:5, P6;7