Suharninuk DR, Fajrie N, Kurniati D. Student Collaboration Skills Through Problem-Based Learning Models in Learning Science Electrical Circuit Material at Elementary School. UJSSH [Internet]. 2023 Dec. 31 [cited 2025 Jul. 6];2(2):46-53. Available from: https://www.ujssh.com/index.php/ujssh/article/view/61