Veintimilla Triviño, Ivette Magaly. “Methodological Proposal for Entering the Primary Choir”. Unaciencia, Revista de Estudios e Investigaciones 11, no. 20 (July 15, 2018): 4–8. Accessed May 5, 2026. https://revistas.unac.edu.co/index.php/unaciencia/article/view/181.