SAFITRI, M.; CASMUDI, C.; PRATAMA, R. A. STUDI KASUS KESULITAN BELAJAR MATEMATIKA SISWA KELAS I, II & III DI SD NEGERI 009 BALIKPAPAN SELATAN. Kompetensi, [S. l.], v. 12, n. 1, p. 34–43, 2019. DOI: 10.36277/kompetensi.v12i1.14. Disponível em: https://kompetensi.fkip.uniba-bpn.ac.id/index.php/jurnal-kompetensi/article/view/14. Acesso em: 23 dec. 2024.