Yusuf, Muhammad. “Use of Technology in Monitoring the Performance of Ship Crews at Shipping Companies Using the Balanced Scorecard Theory and Expectancy Theory”. International Conference On Economics Business Management And Accounting (ICOEMA) 2 (June 23, 2023): 865-871. Accessed January 12, 2026. https://conference.untag-sby.ac.id/index.php/icoema/article/view/3069.