Carvajal Sacoto, Ruben Dario, Daniela Denisse Lira Cantos, Amy Melissa Loor Aguayo, Gary Eduardo Loor Escobar, y Ernesto Vicente Luque Cantos. «Relationship Between Lexical Frequency and Vocabulary Acquisition: How to Acquire a Language». Revista Cognosis. ISSN 2588-0578 7, no. EE4 (diciembre 21, 2022): 15–26. Accedido agosto 30, 2025. https://revistas.utm.edu.ec/index.php/Cognosis/article/view/2617.