HADIJAH, H. Effectiveness of Constructivism Approach to Increase Mathematical Communication Skill of Students Junior High School. Jurnal Pendidikan Matematika, [S. l.], v. 5, n. 1, p. 1–14, 2018. DOI: 10.18592/jpm.v5i1.2000. Disponível em: https://jurnal.uin-antasari.ac.id/index.php/jpm/article/view/2000. Acesso em: 19 jan. 2026.