University of the Philippines at Los Baños; Eusebio, J.S.; Javier, N.M.; Magtibay, L.D.; Elec, T.H.; Hechanova, R.S(Human Ecology Institute, University of the Philippines at Los Baños, Laguna, PH, 1983)
Philippine Council for Agriculture and Resources Research and Development; Australian Centre for International Agricultural Research(PCARRD, Los Baños, PH, 1985)