000 00299nam a2200109Ia 4500
008 230911s9999||||xx |||||||||||||| ||und||
020 _a9789389520439
100 _aJoshi, kamal Kant Kumar Deepak
245 0 _aEnvironmental Science
260 _bI.K International Pvt.Ltd New Delhi
_c2019
300 _a259
999 _c7365
_d7365