000 00314nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bJOS
100 _aJOSHI,S.R.
245 0 _aTEACHING OF SCIENCE
260 _bAPH PUBLICATION
300 _a383
650 _aPEDAGOGY
942 _cREF
999 _c177938
_d177938