000 00293nam a2200133Ia 4500
100 _aSudarshanam, G.
020 _a81-212-0351-1
942 _cBK
654 _a
245 _aRural Education
260 _aNew Delhi
_bGian Publishing House
_c1991
082 _a370:307.2
300 _aviii,207
999 _c419556
_d419556
041 _aeng