Nainggolan, D.R.M., Sudarman, S. and Subagio, N. 2022. 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, 2 (Dec. 2022), 307-317. DOI:https://doi.org/10.30872/escs.v2i2.1920.