Yahsa, Assyifa, Idha Rahayuningsih, & Nadhirotul Laily.
" The Effect Of Peer Socisl Support And Optimism On Problem Focused Coping." <em>Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC)</em> [Online], 1.2 (2021): 700-711. Web.  3 May. 2024