00618nam a22001937a 4500003000400000008004100004082001800045100002400063245017700087260003900264300001000303502001100313650002400324650003100348650001300379650001000392650001100402650001100413OSt250519b        |||||||| |||| 00| 0 eng d  a630.715bS48R  aSingh, Bijay Kumar.  aRole Expectation and Role Performance of Subject Matter Specialists and Extension Officers (SAOs and DAOs) Under Training and Visit System in Bihar / cby Bijay Kumar Singh  a.- Pusa, Samastipurb: RAUc, 1988  a119p.  bM. Sc.  aExtension Education  aSubject Matter Specialists  aTraining  aBihar  aThesis  aM. Sc.