000 00347nam a2200145Ia 4500
008 230430s9999 xx 000 0 und d
020 _a978-93-272-4094-8
100 _aWalia , Arvind
245 0 _aEnvirnmental Studies
260 _aLudhiana
_bKalyani
_c2022
300 _a15.7+14
650 _aEnviroment
650 _aEnviroment
942 _cBK
999 _c17009
_d17009