Umaña Segura, F. J., & Umaña Segura, F. J. (1985). An assessment of the professional competencies needed by agricultural extension agents in Costa Rica. San Ramón, [C.R.]: Biblioteca Sede Regional de Occidente, Universidad de Costa Rica.
Chicago Style CitationUmaña Segura, Francisco José, and Francisco José Umaña Segura. An Assessment of the Professional Competencies Needed By Agricultural Extension Agents in Costa Rica. San Ramón, [C.R.]: Biblioteca Sede Regional de Occidente, Universidad de Costa Rica, 1985.
MLA CitationUmaña Segura, Francisco José, and Francisco José Umaña Segura. An Assessment of the Professional Competencies Needed By Agricultural Extension Agents in Costa Rica. San Ramón, [C.R.]: Biblioteca Sede Regional de Occidente, Universidad de Costa Rica, 1985.