Elke Annisa Octaria, and Raden Ridwan Hasan Saputra. 2026. “Pemetaan Kemampuan Matematis Peserta International Kangaroo Mathematics Contest Menggunakan K-Means Clustering”. JPG: Jurnal Pendidikan Guru 7 (1):64-75. https://ejournal.uika-bogor.ac.id/index.php/jpg/article/view/22644.