000 00434nam a2200181Ia 4500
005 20250619145024.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aMAIN
041 _aEnglish
082 _a363.7
_bCHA
100 _aChand, Attar
245 0 _aEnvironmental challenges
260 _aDelhi
_b; Udh Publishers
_c, 1985
300 _axlvi,335p.
650 _aEnvironmental Problems
942 _cBK
999 _c118963
_d118963