000 00276nam a2200109 4500
082 _a630.715 RAY-R
100 _aay G.L.
245 _aResearch Methods in Social Sciences and Extension Education
260 _aLudhiana
_bKalyani
_c2016
300 _a330
942 _2ddc
_cBK
_01
999 _c127879
_d127879