The Impact of PBL-Based E-Learning on Critical Thinking and Mathematical Communication in Ethnomathematics-Based Pythagorean Learning. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 5, n. 1, p. 51–61, 2026. DOI: 10.55904/bshnnb31. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/1931. Acesso em: 18 apr. 2026.