00515nam a2200169Ia 4500008004100000082001800041100001600059245005100075260005100126300000700177650004100184650003400225653001900259653003200278700001800310700001700328170901s1970    xx            000 0 und d  a630.717bP74T  aParshad, R. 0aTowards Understanding Extension Administration  aLudhianabPunjab Agricultural Universityc1970  a67  aAgriculture and related technologies  aTechnology (Applied sciences)  aAdministration  aAgricultural extension work  aSingh, Ranjit  aSohal, T. S.