OÑAL, JR., Paulino A; JINON, Rex J.; MARTINEZ, Lloyd B. The Extension Services and the Level of Productivity of Sugarcane Farmers in the Visayas, Philippines. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 3, n. 1, p. 90–101, 2022. DOI: 10.11594/ijmaber.03.01.10. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/296. Acesso em: 11 feb. 2026.