SUNARHADI, R. Muhammad Amin; UTAYA, Sugeng; ASTINA, I Komang; BUDIJANTO, B. Pengembangan Modul Pembelajaran untuk Kemampuan Berpikir Spasial. Prosiding University Research Colloquium, [S. l.], p. 12–19, 2019. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/286. Acesso em: 18 may. 2024.