Liana, Metta, Dios Sarkity, Mariyanti Elvi, and Dina Fitriyah. “Pembekalan Pra-OSN Menggunakan Soal-Soal Problem Solving Berbasis Representasi Multimodus Bagi Siswa SMP”. Jurnal Anugerah 1, no. 2 (December 30, 2019): 59–69. Accessed December 22, 2024. https://ojs.umrah.ac.id/index.php/anugerah/article/view/1784.