Kurniawati NN, Lasmawan IW, Kertih IW, Sukmayasa IMH. The Influence of Problem Based Learning Model on Social Attitudes and Collaboration Skills of Fifth Grade Students in Social Sciences Subject. JPP [Internet]. 2023 Nov. 6 [cited 2024 May 12];56(3):557-68. Available from: https://ejournal.undiksha.ac.id/index.php/JPP/article/view/63003