Production and marketing of fertilizers from guinea pig feces. Business Vision, [S. l.], n. 10, p. 122–127, 2020. DOI: 10.32645/13906852.1014. Disponível em: https://revistasdigitales.upec.edu.ec/index.php/visionempresarial/article/view/1014. Acesso em: 21 oct. 2026.