LUPU, C. . The Relevance of using Heuristic Strategies Problem Solving Strategies in your Math Lessons. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 12, n. 2, p. 15–25, 2015. Disponível em: https://ijlter.net/index.php/ijlter/article/view/1054. Acesso em: 19 apr. 2026.