Viera, William, Jorge Merino, Aníbal Martínez, Alex Viera, Santiago Rueda, e Lenin Ron. «Determinant Aspects of the Deciduous Fruit Production in the Province of Tungurahua, Ecuador». Manglar 17, no. 3 (setembro 16, 2020): 239–246. Acedido setembro 5, 2025. https://revistas.untumbes.edu.pe/index.php/manglar/article/view/181.