00637nam a22001937a 4500003000400000008004100004082001800045100002700063245021700090260003900307300000900346502001100355650002400366650001200390650000900402650001000411650001100421650001100432OSt250517b        |||||||| |||| 00| 0 eng d  a630.717bS48S  aSingh, Upendra Prasad.  aStudy on Ability, Willingness, Knowledge and Adoption Behaviour of Different Categories of Farmers in Relation to Scientific Rice Production Technology in Siwan District of North Bihar / cby Upendar Prasad Singh  a.- Pusa, Samastipurb: RAUc, 1987  a92p.  bM. Sc.  aExtension Education  aFarmers  aRice  aSiwan  aThesis  aM. Sc.