Kurnia, R., Zahriati Harun, C., & Yusrizal, Y. (2023). INSTRUCTOR TRAINING MANAGEMENT FOR EDUCATION AND TRAINING UPGRADING OF SEAFARER COMPETENCY PROGRAMME LEVEL IV AT POLITEKNIK PELAYARAN MALAHAYATI. Berajah Journal, 3(2), 363–376. https://doi.org/10.47353/bj.v3i2.239