000 00303nam a2200121Ia 4500
005 20240713150735.0
008 240712s9999 xx 000 0 und d
041 _aeng
100 _aKulshreshtha, s.p.
245 _aPedagogy of biological sciences
260 _aMerath
_b R.Lal book
_c2016
300 _a403
999 _c30930
_d30930