000 00316nam a2200133Ia 4500
100 _aKothari .D.S.
020 _a210 . 22225 . 5
942 _cBK
654 _a
245 _aEducation , Science And National Development
260 _aMumbai
_bAsia Publishing House
_c1970
082 _a370.954
300 _c19 . 2
999 _c367717
_d367717
041 _aeng