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. OB [Internet]. 2018 Sep. 12 [cited 2026 Nov. 7];5(3):85-94. Available from: https://opuntiabrava.ult.edu.cu/index.php/opuntiabrava/article/view/392