Mardiaman, Kurniawan, Simatupang M. Productivity Analysis of Piling Work for Coastal Safety Construction in Bay Phase 6 Package 4, Jakarta, Indonesia . Jour. of Adv. Res. Design [Internet]. 2025Aug.12 [cited 2025Aug.16];143(1):21-3. Available from: https://www.akademiabaru.com/submit/index.php/ard/article/view/5933