000 00339nam a2200121Ia 4500
100 _aDirectorate of extension programmes for secondary education
942 _cBK
245 _aEvaluation in general sciences
260 _aDelhi
_bMinistry of Education, Govt. of India
_c1960
082 _a321.0954
_bIND
300 _a68
546 _aEnglish
999 _c338656
_d338656
041 _aeng