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. escs [Internet]. 2022 Dec. 31 [cited 2026 Aug. 18];2(2):307-1. Available from: https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/1920