SARMILLA; REZA; ASTUTI , Ratna Fitri. PENGEMBANGAN MATERI AJAR EKONOMI KELAS X DI MAN 1 SAMARINDA . Educational Studies: Conference Series, [S. l.], v. 3, n. 2, p. 357–366, 2023. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/3263. Acesso em: 16 may. 2026.