000 00321nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c225
040 _aET
100 _aMANGAL S.K.
245 0 _aTEACHING OF LIFE SCIENCES
260 _bARYA BOOK DEPOT
_aNEW DELHI
300 _a304
500 _a66158
942 _cBK
999 _c72121
_d72121