000 00517nam a2200193Ia 4500
005 20250508162816.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a507, MAN
_qFEDL
100 _aMangal S K
245 0 _aTeaching of physical and life sciences
260 _aNew Delhi, India
_bArya Book Depot
_c1991
300 _axv,397p
365 _aINR
_b75
942 _cTEXL
_h507, MAN
999 _c1378821
_d1378821