Kurniawan, A. et al. 2025. Implementasi Problem Based Learning dalam Pembelajaran Matematika bagi Siswa Disabilitas Intelektual Ringan. J-CEKI : Jurnal Cendekia Ilmiah. 4, 5 (Aug. 2025), 1458–1463. DOI:https://doi.org/10.56799/jceki.v4i5.10269.