“Application of LKPD Social Studies Based Collaborative Learning Model Structured Problem Solving Type in Improving the Completeness of Class VII Students’ Learning Outcomes at SMP Negeri 1 Tenggarong Seberang”. Educational Studies: Conference Series 2, no. 2 (December 31, 2022): 307–317. Accessed August 18, 2026. https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/1920.