000 00269nam a2200121Ia 4500
082 _a631.37
100 _aSumati Mulay
245 _aResearch methods in extension education
260 _bManasayan
_aNew Delhi
_c1980
300 _a340
901 _a1583
942 _2ddc
_cBK
999 _c1426
_d1426