Sakti, Baiq Yani Permata, Siti Urbayatun, and Ciptasari Prabawanti. “The Role of Self-Efficacy and Optimism on Academic Stress Towards Industrial Engineering Students at Universitas Ahmad Dahlan, Yogyakarta Batch 2017-2019”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 53, no. 1 (July 18, 2020): 35–42. Accessed May 6, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/11443.