000 00400nam a2200145Ia 4500
008 240723s9999 xx 000 0 und d
041 _aEnglish
084 _aG:55
_bR1
245 0 _aTextbook of environmental studies for undergraduate course
250 _a3rd
260 _aHyderabad
_bOrient Blackswan Private Limited
_c2021
300 _ap.266
650 _aEnvironmental studies
942 _cBK
999 _c357302
_d357302