NORIK, L.; LEBEDEVA, I. The Use of Concept Maps in the Process of Independent Study of Educational Material in Higher Mathematics. Educational Challenges, Kharkiv, UA, v. 26, n. 1, p. 86-101, 2021. DOI: 10.34142/2709-7986.2021.26.1.08. Disponível em: http://educationalchallenges.org.ua/index.php/education_challenges/article/view/58. Acesso em: 28 mar. 2024.