Hara, Sundus, and Akhmad Baidun. “Pengaruh Self Efficacy Dan Dukungan Sosial Terhadap Optimisme Karyawan Kontrak Uin Syarif Hidayatullah Jakarta”. Tazkiya Journal of Psychology 5, no. 2 (March 1, 2019). Accessed June 7, 2026. https://journal.uinjkt.ac.id/tazkiya/article/view/8407.