FIRDAUS, Firdaus; RITONGA, Hasanah. Educational Values of Learning Mathematics from an Islamic Perspective: Studying Integer Operation Learning Materials. Perspektif Pendidikan dan Keguruan, Pekanbaru, Riau, Indonesia, v. 13, n. 1, p. 72–79, 2022. DOI: 10.25299/perspektif.2022.vol13(1).9780. Disponível em: https://journal.uir.ac.id/index.php/Perspektif/article/view/9780. Acesso em: 2 may. 2024.