000 00404nam a2200157Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a8170223865
040 _cLDD
100 _aYADAV, J.S.
245 0 _aEvaluation of agricultural extension
_ba study of Haryana
_cJ.S. YADAV
260 _aNew Delhi
_bConcept
_c1992
300 _a207p.
901 _a1306
_b12-03-1998
942 _2ddc
_cBK
999 _c44430
_d44430