LASMANA, T. F. M. .; AMIR, M. F. . Characteristics of Student Mental Models in Negative Round Numbers: Karakteristik Model Mental Siswa Pada Bilangan Bulat Negatif. Proceedings of The ICECRS, [S. l.], v. 8, 2020. DOI: 10.21070/icecrs2020435. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/435. Acesso em: 5 oct. 2025.