Extension publications studies series. - Mercado, Cesar Matarosa 1938-.; University of the Philippines (Diliman). Institute of Mass Communication (Quezon City [s.n.], 1967)
Pt.1. The relative effectiveness of four types of extension publications, by Cesar M. Mercado, Gloria D. Feliciano and Thomas G. Flores.--Pt.2. Some effects of print media on farmers under two situations in three Laguna barrios : an analysis, by Cesar M. Mercado, Maximo E. Pabale and Consuelo Co Agreda.--Pt.3. How technical are extension publications : an analysis, by Cesar M. Mercado.
Keywords: Agricultural extension work -- Philippines