Komariyah S, Murdiono M. Improving Students’ Problem-Solving Skills Using The Problem-Based Learning (Pbl) Model In Pancasila Education Material For Grade Viii Chapter 1 Pancasila In My National Life In Class Viii.E At Smp Negeri 1 Sewon. JWS [Internet]. 2025Nov.26 [cited 2026Nov.13];4(11):1678-92. Available from: https://jws.rivierapublishing.id/index.php/jws/article/view/1584