Hermanto, Iman, Sarwi Sarwi, and Amin Yusuf. “The Effectiveness of Project-Based Learning Model to Develop Students’ Social Skills”. Journal of Primary Education 8, no. 8 (September 30, 2019): 173-180. Accessed November 27, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/34396.