Ordóñez, Jacinto. “Theorical and Methodological Aspects of Reshearch in Latin America: First Stage of an Educational Research Experience”. Revista de Educación de Puerto Rico (REduca), no. 1 (December 1, 1989): 31–33. Accessed July 17, 2024. https://revistas.upr.edu/index.php/educacion/article/view/16346.