Hilmawan, Hilman, Diah Kusuma Pratiwi, dan Agung Mataram. “Pengelasan Casing Pipa Konduktor di Rig Pengeboran Darat: Las Busur Logam Terperisai”. SIGn Journal of Civil and Architecture 1, no. 1 (Mei 15, 2022): 28–32. Diakses Oktober 19, 2026. https://jurnal.penerbitsign.com/index.php/sjca/article/view/153.