Usqo, Urwatil, Nahor Murani Hutapea, and Kartini Kartini. 2024. “Boosting Students’ Mathematical Problem-Solving Skills With PBL-Based LiveWorksheets: Focus on Whole Numbers and Fractions Topic”. Edumatika : Jurnal Riset Pendidikan Matematika, no. In Press (September). https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/3933.