000 00345nam a22001337a 4500
082 _a530
_bNCE.P
245 _aPhysics /
260 _aNew Delhi :
_bNational Council of Educational Research and Training,
_c1967.
300 _a31p. :
500 _apt.1 Curriculum guide
505 _apt.1 Curriculum guide
650 _aEducation
942 _cBK
999 _c632909
_d632909