Hidayat, Hendra, Boy Yendra Tamin, Susi Herawati, Zadrian Ardi, and Anggarda Paramita Muji. “The Contribution of Internal Locus of Control and Self-Concept to Career Maturity in Engineering Education”. International Journal on Advanced Science, Engineering and Information Technology 10, no. 6 (December 17, 2020): 2282–2289. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/11698.