Noviana, R.R., Wiyono, K. and Marlina, L. 2024. Case Study of Collaboration Skills and Learning Outcomes of High School Students on Physics Learning in Global Warming Materials. Indonesian Journal of Education Research (IJoER). 5, 6 (Dec. 2024), 270-276. DOI:https://doi.org/10.37251/ijoer.v5i6.1243.