WAHYUDI EFENDI, Aco. INVESTIGATION FOR COLLAPSED NAVIGATION STRUCTURES IN THE MAHAKAM RIVER DELTA BY BATHYMETRY AND SONAR. Indonesian Journal of Engineering and Computer Science (IJEC), [S. l.], v. 1, n. 1, p. 52–64, 2025. Disponível em: https://e-jurnal.jurnalcenter.com/index.php/ijec/article/view/895. Acesso em: 20 apr. 2026.