University of the Philippines (Los Banos) College of Agriculture Department of Agricultural Information and Communications & Los Banos Extension Conference (1967 : College, Laguna). (1967). Papers and proceedings. College of Agriculture, University of the Philippines.

University of the Philippines (Los Banos) College of Agriculture Department of Agricultural Information and Communications and Laguna) Los Banos Extension Conference (1967 : College. Papers and Proceedings. College, Laguna: College of Agriculture, University of the Philippines, 1967.

University of the Philippines (Los Banos) College of Agriculture Department of Agricultural Information and Communications and Laguna) Los Banos Extension Conference (1967 : College. Papers and Proceedings. College of Agriculture, University of the Philippines, 1967.