Retnawati, Lestari, Rusijono, Utari Dewi, and Fajar Arianto. “THE EFFECT OF COLLABORATIVE PROBLEM BASED LEARNING MODEL ON PROBLEM SOLVING SKILLS”. Veredas do Direito 23 (January 6, 2026): e234100. Accessed March 13, 2026. https://revista.domhelder.edu.br/index.php/veredas/article/view/4100.