00429nam a22001337a 4500008004100000020001800041050002300059100002700082245006300109250001200172260004200184300002900226650004000255171124b        xxu||||| |||| 00| 0 eng d  a9788172335267  aQC 16S75 .A84 2008  aSingh, Ashok K.d2008.  aPioneer Research in Extension Education /cAshok, Singh K.  a1st ed.  aIndia:bScientific publishers,c2008.  av,356p.bincludes index.  aAgricultural research in education.