Fitriyah Amaliyah; Intan Wahyu Marrita Anggraini; Mohammad Fahrul Ridwan; Aramita Wahidatus Syifa; Salsa Hikma Ramadanta. Problem-Based Learning Assisted by POPIKAR Media Based on Local Wisdom in Improving Mathematical Problem-Solving Skills. j.PrimerEdukasi 2026, 6, 1-19.