Amaya-Ruiz, Jorge, Santiago Ordóñez-Carpio, Indira Salazar-Silva, María Cecilia Achig-Balarezo, Catalina Peñaherrera-Palacios, and Fausto Cardoso Martínez. 2017. “The Production of Earth-Based Paint As an Endogenous Resource in the Province of Azuay, Ecuador”. Estoa. Journal of the Faculty of Architecture and Urbanism 7 (12):93-102. https://doi.org/10.18537/est.v007.n012.a08.