00456nam a2200181 a 450000500170000002000180001708200210003510000180005624500420007426000530011630000230016960000080019263000200020063000320022063000100025285600060026285600060026820251219155816.0  a9788183210112  a630.7150954bKHA  aKhan, P.M.d_  aTerminology of extension educationb_  aUdaipurbAgrotech publishing academyc2004-R2021  a384 p.c22 cm.bHB  bc_  aRural extension  aAgricultural extension work  aIndia  f_  a_