Yulianto, Andri. “THE EFFECT OF SELF-EFFICACY OF SHIPPING POLYTECHNIC EDUCATION PERSONNEL IN IMPROVING PERFORMANCE”. Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA) 8, no. 3 (December 11, 2024): 2408-2421. Accessed July 1, 2026. https://journal.stiemb.ac.id/index.php/mea/article/view/4771.