Astuningtias, K. I. und Appulembang, O. D. (2017) „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(1), S. 53–59. doi: 10.19166/johme.v1i1.718.