ESCASINAS, Ruth O.; SAUERBORN, Joachim. Agricultural land use system on Apid Island, Inopacan, Leyte, Philippines. Annals of Tropical Research, [S. l.], v. 21, p. 33–40, 1999. Disponível em: https://atr.vsu.edu.ph/article/view/546. Acesso em: 14 may. 2025.