Diki Riyadi, Mubarok Somantri, and Ari Arasy Magistra. “THE EFFECTIVENESS OF PROBLEM-BASED LEARNING MODEL IN IMPROVING STUDENTS’ UNDERSTANDING OF THE CONCEPT OF THE VALUES OF PANCASILA PRINCIPLES IN ELEMENTARY SCHOOL”. El Midad 17, no. 2 (August 1, 2025): 431–440. Accessed March 26, 2026. https://www.ftkjournal-uinmataram.id/index.php/elmidad/article/view/14093.