00414nam a2200181Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001600096100001400112245002400126260004500150300000900195650001400204700001400218OSt20250926115444.0250729s2005    xx            000 0 und d  a978-8171694426  cAL  aeng  a374.1 SINEE  aSingh U K  aExtension education  aNew DelhibCommonwealth Publishersc2005  a202p  aEducation  aNayak A K