O. J. Garmendia Graterón, “Four grammar textbooks in the history of education in Venezuela. (1820-1930)”, Teor. Enfoques. Apl. Cienc. Soc., vol. 5, no. 12, pp. 119–134, Jun. 2013, Accessed: Oct. 05, 2026. Available: https://mail.revistas.uclave.org/index.php/teacs/article/view/1619