“DESARROLLO DEL PENSAMIENTO RELACIONAL A TRAVÉS DE LA RESOLUCIÓN DE PROBLEMAS MATEMÁTICOS EN LA SECUNDARIA BÁSICA: THE DEVELOPMENT OF RELATIONAL THINKING THROUGH THE RESOLUTION OF MATH PROBLEMS IN JUNIOR HIGH EDUCATION” (2018) Opuntia Brava, 5(3), pp. 85–94. Available at: https://opuntiabrava.ult.edu.cu/index.php/opuntiabrava/article/view/392 (Accessed: 7 November 2026).