IMAM ROFIKI; ALFI SYAHRIN SIREGAR. Exploring justification in solving mathematics problems in a facebook group. Jurnal Pengembangan Pembelajaran Matematika (JPPM), [S. l.], v. 7, n. 2, p. 85–104, 2025. DOI: 10.14421/jppm.2025.72.85-104. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/jppm/article/view/9997. Acesso em: 6 dec. 2025.