000 00308nam a2200121Ia 4500
008 170101s1980 xx 000 0 und d
082 _a630.7 MUL
100 _aMulay, Sumati
245 0 _aResearch metods in extension education
260 _aNew Delhi
_bManasayan
_c1980
300 _aP.340
942 _2ddc
_cBK
999 _c38431
_d38431