HERRERA, Fernando T.; CACAYAN, Prospero R. Impact Assessment Of Community Extension Services of Saint Joseph Institute of Technology at Village Lumbocan, Butuan City. JPAIR Multidisciplinary Research, Philippines, v. 4, n. 1, p. 153–167, 2010. DOI: 10.7719/jpair.v4i1.106. Disponível em: https://philair.ph/index.php/jpair/article/view/106. Acesso em: 3 apr. 2025.