Sevilla, Vinta, and Ferry Fernando. “LEADERSHIP COMMUNICATION SKILL ON BOARD VESSEL”. Book Chapters of The 1st Jakarta International Conference on Social Sciences and Humanities (JICoSSH) 2, no. 1 (February 2, 2019): 221-228. Accessed September 16, 2024. https://ebook.upnvj.ac.id/index.php/jicossh/article/view/15.