00589nam a22001817a 4500003000400000008004100004082001800045100003300063245016900096260004100265300000900306502001000315650002400325650001600349650002100365650001100386650001000397OSt250319b        |||||||| |||| 00| 0 eng d  a630.717bS48S  aSingh, Shiva Shankar Prasad.  aStudy on Credibility of Farm Information Sources in a Progressive and a Non-Progressive Village in an I. C. A. Block of North Bihar / cby Shiv Shankar Prasad Singh  a.- Dholi, Muzaffarpurb: TCAc, 1977  a83p.  bM.Sc.  aExtension Education  aCredibility  aFarm Information  aThesis  aM.Sc.