EKOWATI, Dyah Worowirastri; SUWANDAYANI, Beti Istanti. Understanding the concept of Ï€ numbers for elementary school pre-service teachers on circle materials. Jurnal Prima Edukasia, [S. l.], v. 8, n. 1, p. 12–19, 2020. DOI: 10.21831/jpe.v8i1.30103. Disponível em: https://journal.uny.ac.id/index.php/jpe/article/view/30103. Acesso em: 1 jun. 2025.