Ponce, E. R., & Nasayao, E. (1985). Participatory research in upland farming systems development in San Isidro, Leyte: Some preliminary results in Barangay San Miguel. Agroecosystem Research in Rural Resource Management and Development.
Cita Chicago (17th ed.)Ponce, Eliseo R., i Edilberto Nasayao. Participatory Research in Upland Farming Systems Development in San Isidro, Leyte: Some Preliminary Results in Barangay San Miguel. [S.l: Agroecosystem Research in Rural Resource Management and Development, 1985.
Cita MLA (9th ed.)Ponce, Eliseo R., i Edilberto Nasayao. Participatory Research in Upland Farming Systems Development in San Isidro, Leyte: Some Preliminary Results in Barangay San Miguel. Agroecosystem Research in Rural Resource Management and Development, 1985.