000 00340nam a2200133Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e94875
_aMAIN
041 _aEnglish
082 _a370 V59E
100 _aVerma, Manish
245 0 _aEffectiveness of system approach to instructional design in Physics
300 _av. p.
942 _cTH
999 _c88065
_d88065