SUPANGAT. The managerial capability and the function of the leadership of Director on increasing the lecturer’s competency in Program Diploma Pelayaran of Universitas Hang Tuah Surabaya. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN, [S. l.], v. 9, n. 2, p. 130–142, 2019. DOI: 10.30649/japk.v9i2.31. Disponível em: https://pdp-journal.hangtuah.ac.id/index.php/jurnal/article/view/31. Acesso em: 20 dec. 2025.