Extension Teaching methods 11 Rural sociology 11 Audio visual aids 6 Extension Administration 6 Audiovisual Aids 5 Extension Administrtion 5 Extension Teaching Methods 4 Extension teaching methods 4 Agricultural extension 2 Extension Adminstration 2 Extension Compaigns 2 ExtensionCommunication 2 Adoption of Innovation 1 Aduio visual Aids 1 Audio visual aids and information communication technology 1 Communication Process 1 Communication of Innovations 1 Communication process 1 Diffusion of Innovation 1 Extension Co-ordination 1 Extension Education 1 Extension Motivation 1 Extension administration 1 Extension education 1 Extension teaching and learning 1 Fundamentals of extension education 1 History and generation of agricultural extension 1 Indian Rural Life 1 Introduction to extension education 1 Rural journalism 1