Yahsa, Assyifa Kartika, Idha Rahayuningsih, and Nadhirotul Laily. “The Effect Of Peer Socisl Support And Optimism On Problem Focused Coping”. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC) 1, no. 2 (December 23, 2021): 700–711. Accessed June 6, 2025. https://journal.umg.ac.id/index.php/umgeshic/article/view/3446.