Pisco-Palacios, Jesús Adrián, and Adrián Eliceo Reyna-García. “Spacial Patterns of the Commercial Activity in the City of Portoviejo, Province of Manabí (2017-2022)”. SAP Land and Architecture 2 (December 31, 2023): 97. Accessed September 25, 2026. https://la.southam.pub/index.php/la/article/view/97.