Rudianto, Wardhana EM, Rulianto J, Widityo RPG, Ansori. The Effect of Manhole Form on Double Bottom Ship Construction. IJMEIR [nternet]. 2025Jul.10 [cited 2025Dec.6];10(2):574-83. vailable from: https://journal.its.ac.id/index.php/ijmeir/article/view/6466