Sulaiman, Hasti, and Theresia Langa Wio. “Application Of The Problem Based Learning Model In History Learning To Increase Learning Activity And Achievement Of Class X Ruminant Students At Smk Negeri 1 Aimere Academic Year 2023 2024”. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), vol. 8, no. 1, June 2024, pp. 876-83, doi:10.36526/santhet.v8i1.3775.