Astuningtias, Kezia Irene, und Oce Datu Appulembang. „Penerapan Metode Drill Untuk Meningkatkan Hasil Belajar Kognitif Siswa Kelas IX Materi Statistika Di Smp Kristen Rantepao [The Implementation of the Drill Method to Improve Cognitive Learning Outcomes of Grade 9 Students Studying Statistics at a Christian Junior High School in Rantepao]“. JOHME: Journal of Holistic Mathematics Education 1, no. 1 (Dezember 11, 2017): 53–59. Zugegriffen November 20, 2025. https://ojs.uph.edu/index.php/JOHME/article/view/718.