000 00542nam a2200193Ia 4500
008 170901s1970 xx 000 0 und d
082 _a630.717
_bS48R
100 _aSingh, K. N.
245 0 _aResearch in Extension Education
260 _aNew Delhi
_bCaxton Press Pvt. Ltd.
_c1970
300 _a496
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aAgricultural extension work
653 _aResearch
700 _aRao, C. S. S.
700 _aSahay, B. N.
942 _2ddc
_cBK
999 _c12619
_d12619