Massuh-Villavicencio, Carlos. “Digital Portfolios With Google Sites to Assess Learning in Pre-Service University Teachers: Descriptive Pre-Experimental Study”. EDUCA. International Journal for Educational Quality 6, no. 1 (January 1, 2026): 1–15. Accessed September 20, 2026. https://revistaeduca.org/educa/article/view/vm811m14.