Yuliani, Yuliani, Fakhruddin Fakhruddin, and Kardoyo Kardoyo. “The Effect of Self-Efficacy, Motivation and Learning Simulation Competence of Polytechnic of Science Shipping Taruna Semarang”. Educational Management 8, no. 1 (March 26, 2019): 70-79. Accessed July 21, 2024. https://journal.unnes.ac.id/sju/eduman/article/view/29540.