000 00414nam a2200169Ia 4500
008 200213s9999 xx 000 0 und d
020 _a9789384986016
082 _aH 333.7 YAD
100 _a"Yadava, samir Kumar"
245 0 _aParyavarniya sankat aur sanrakshan ki gatividhyian
260 _aGhaziabad
260 _bSiksha Deep
260 _c2015
300 _a248
650 _aEnvironment
942 _cB
999 _c241094
_d241094