GARINGAN, E. G. Practices in extension services: Basic for the formulation of manual of operation. International Journal of Agricultural Technology, [S. l.], v. 11, n. 2, p. 399–421, 2015. Disponível em: https://li04.tci-thaijo.org/index.php/IJAT/article/view/6261. Acesso em: 7 aug. 2025.