004640000a22001330004500020001500000060000800015082001600023100001400039245004000053260005200093260000900145300000800154650016800162 a8120401298 a100 a630.715 SUP aSupe, S V aIntroduction to Extension Education aNew Delhi, Oxford & IBH publishing co. pvt. ltd c1983 a166 aExtension Education/ Educational psychology/ Teaching / Learning/ SMCRE comunication Model/ Extension programme planning/ Rural sociology Extension Administration.