000 00421nam a22001577a 4500
005 20220702112619.0
008 220702b |||||||| |||| 00| 0 eng d
020 _a9788121927642
041 _aeng
082 _a577 AST/T
100 _aDR ASTHANA D K
_91229
245 _aA TEXTBOOK OF ENVIRONMENTAL STUDIES
_cDR D K ASTHANA
260 _aNEW DELHI:
_bS CHAND PUBLICATIONS,
_c2022.
300 _a397 p.
942 _cTB
999 _c54985
_d54985