Escalante-Albarracín, Maribel. “Application of Didactic Strategies for the Development of Numerical Thinking in Eighth-Grade Students of the Nuestra Señora De Las Mercedes Educational Institution in the Municipality of Sardinata”. Eco Matemático 10, no. 2 (July 1, 2019): 16–22. Accessed July 3, 2024. https://revistas.ufps.edu.co/index.php/ecomatematico/article/view/2589.