Sarjito, Aris. “PESTLE Analysis of Production Management Landing Platform Dock Warship PT PAL Indonesia (Persero) For National Defense”. Advances in Social Sciences Research Journal 7, no. 11 (December 2, 2020): 368–386. Accessed April 20, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/9329.