000 00313nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bNAY
100 _aNAYAK,A.K.
245 0 _aTEACHING OF PHYSICS
260 _bAPH PUBLICATION
300 _a242
650 _aSCIENCE
942 _cREF
999 _c177667
_d177667