W. Malmia, J. Latbual, V. R. Hentihu, and S. H. Loilatu, “EFEKTIFITAS PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING (CTL) TERHADAP HASIL BELAJAR MATEMATIKA SISWA : (The Effectiveness of Contextual Teaching and Learning (CTL) on Student Mathematics Learning Achievements)”, Ujes, vol. 1, no. 2, pp. 31–39, Aug. 2020.