Sherief A K & Menon A G G. (1985). Communication behaviour of noncontact farmers under training and visit system of agricultural extension in Kerala. Department of Agricultural Extension, College of Agriculture.

Sherief A K and Menon A G G. Communication Behaviour of Noncontact Farmers Under Training and Visit System of Agricultural Extension in Kerala. Pilicode: Department of Agricultural Extension, College of Agriculture, 1985.

Sherief A K and Menon A G G. Communication Behaviour of Noncontact Farmers Under Training and Visit System of Agricultural Extension in Kerala. Department of Agricultural Extension, College of Agriculture, 1985.