Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. (1992). Directory of research and development projects in agriculture, forestry and natural resources in the Philippines: Program year 1992 on-going and completed by commodity. Management Information Services Division, PCARRD.
Lua i Stíl Chicago (17ú heag.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Directory of Research and Development Projects in Agriculture, Forestry and Natural Resources in the Philippines: Program Year 1992 On-going and Completed by Commodity. Los Banos, Laguna: Management Information Services Division, PCARRD, 1992.
Lua MLA (9ú heag.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Directory of Research and Development Projects in Agriculture, Forestry and Natural Resources in the Philippines: Program Year 1992 On-going and Completed by Commodity. Management Information Services Division, PCARRD, 1992.