CANILLAS, Emmanuel C.; DUMALUAN, David L. EVALUATION AND MODIFICATION OF A MANUALLY OPERATED COFFEE PULPER. Annals of Tropical Research, [S. l.], v. 12, n. 1-4, p. 25–36, 1990. Disponível em: https://atr.vsu.edu.ph/article/view/622. Acesso em: 5 dec. 2025.