Vitoria, Linda, and Monawati Monawati. “IMPROVING STUDENTS’ PROBLEM SOLVING SKILL IN MATHEMATICS THROUGH WRITING”. Jurnal Ilmiah Peuradeun 4, no. 2 (May 28, 2016): 231–238. Accessed May 26, 2026. https://www.journal.scadindependent.org/index.php/jipeuradeun/article/view/100.