Azhar, Ervin, Desak Made Darmawati, and Khoerul Umam. “Meningkatkan Kompetensi Guru Dalam Membimbing Siswa SMP Menyelesaikan Soal OSN Matematika”. TAAWUN 3, no. 02 (August 11, 2023): 118-126. Accessed July 22, 2024. https://journal.stitaf.ac.id/index.php/taawun/article/view/484.