000 00309 a2200121 4500
080 _a63(071.7)
_bS 959 E
245 1 _aExtention education
_cby S.V. Supe
260 _aNagpur
_bR. Singh Science Publishers
_c1973
650 _aAgricultural Extension
100 1 _aSupe, S.V.
300 _a43 p.
901 _a118903
999 _c78358
_d78358