Yuliani, Y., Fakhruddin, F. and Kardoyo, K. (2019) “The Effect of Self-Efficacy, Motivation and Learning Simulation Competence of Polytechnic of Science Shipping Taruna Semarang”, Educational Management, 8(1), pp. 70-79. Available at: https://journal.unnes.ac.id/sju/eduman/article/view/29540 (Accessed: 21July2024).