AKIB, Irwan; HUSNIATI, Andi; KUSUMAH, Fitri; KRISTIAWATI, Kristiawati; FAYANTO, Suritno. Thinking Processes of Mentally retarded: Students Disabled at Junior High School in Solving Fractions Problems. AL-ISHLAH: Jurnal Pendidikan, [S. l.], v. 14, n. 2, p. 2185–2196, 2022. DOI: 10.35445/alishlah.v14i2.1773. Disponível em: https://www.alishlah.ahfpublishing.id/alishlah/article/view/1773. Acesso em: 12 oct. 2026.