ARMENIA, Pedro T. RESOURCE PRODUCTIVITY ESTIMATES ON LOWLAND RICE FARMS IN BAYBAY, LEYTE. Annals of Tropical Research, [S. l.], v. 5, n. 1, p. 6–12, 1983. Disponível em: https://atr.vsu.edu.ph/article/view/737. Acesso em: 5 dec. 2025.