GAVRYSH, I.; DOTSENKO, S. Critical Thinking Development of Primary School Pupils by Means of Inventive Problems. Educational Challenges, Kharkiv, UA, v. 26, n. 1, p. 28-40, 2021. DOI: 10.34142/2709-7986.2021.26.1.03. Disponível em: https://www.educationalchallenges.org.ua/index.php/education_challenges/article/view/53. Acesso em: 7 jun. 2026.