“Efisiensi Waktu Dalam Proses Sandblasting, Coating Dan Painting Menggunakan Metode Critical Path Method (CPM) Pada Lambung Kapal Di PT Janata Marina Indah Semarang ”. Journal of Interdisciplinary Technologies, Informatics, and Engineering 1, no. 2 (January 13, 2026): 166–186. Accessed April 19, 2026. https://jitie.journalpustakacendekia.com/index.php/JITIE/article/view/32.