000 00322nam a2200121Ia 4500
008 240329s9999 xx 000 0 und d
020 _qpbk
082 _a363.7
_bPER
100 _aPeriyar University
245 0 _aBSC; Environmental Education/
_cPeriyar University
260 _bPeriyar University,
650 _aEnv Science
999 _c202034
_d202034