JATMIKO, J.; PRIMASATYA, N. The use of Multimedia of geometry Based on Van Hiele Thinking Theory: An Alternative to Improve Critical Thinking Skill of Elementary School Students. Proceedings of the International Seminar on Business, Education and Science, [S. l.], v. 1, n. 1, p. 291–300, 2022. DOI: 10.29407/int.v1i1.2684. Disponível em: https://proceeding.unpkediri.ac.id/index.php/ip/article/view/2684. Acesso em: 29 jan. 2023.