Sakti, B. Y. P. ., Urbayatun, S. ., & Prabawanti, C. . (2020). 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(1), 35–42. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/11443