Adivi, Reddy
Extension education - 5 - Bapatla, Sree Lakshmi Press 1993 - 344
Extension Teaching methods/ Extension Administration/ Rural sociology/ Audio visual aids/
630.715 ADI
100
Extension education - 5 - Bapatla, Sree Lakshmi Press 1993 - 344
Extension Teaching methods/ Extension Administration/ Rural sociology/ Audio visual aids/
630.715 ADI
100