EFFENDY, Muhammad Arip. UPAYA MENINGKATKAN HASIL BELAJAR MATEMATIKA MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE TUTOR SEBAYA. JS (JURNAL SEKOLAH), [S. l.], v. 3, n. 1, p. 73–78, 2018. DOI: 10.24114/js.v3i1.11663. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/js/article/view/11663. Acesso em: 7 jul. 2025.