Kusumadini LR, Nirawati L. Analysis of People Hours (JO) on the BRS Ship Project and Ship Material Procurement Planning at PT PAL Indonesia Production Management Office Division . BIREV [Internet]. 2025 Feb. 23 [cited 2025 Nov. 2];3(3). Available from: https://lgdpublishing.org/index.php/birev/article/view/171