000 00262nam a22001217a 4500
020 _a9789386173577
082 _a628.1
100 _aPOONIA M.P
245 _aENVIRONMENTAL ENGINEERING
260 _aNEW DELHI
_bKHANNA
_c2019
300 _aXII, 316 P
942 _cBK
999 _c9283
_d9283