Ekayanti, Arta, Senja Putri Merona, and Uki Suhendar. “PENDAMPINGAN GURU PEMBINA OSN MATEMATIKA SMP NEGERI 1 JETIS BESERTA SEKOLAH IMBASNYA”. Community Development Journal : Jurnal Pengabdian Masyarakat 1, no. 3 (October 12, 2020): 301–306. Accessed July 22, 2024. http://journal.universitaspahlawan.ac.id/index.php/cdj/article/view/1004.