SARDJONO, K.; CHANIF, A. PENGARUH LAS TAHANAN LISTRIK TERHADAP KEKUATAN MEKANIS PIPA BAJA API 5L – X52 ( 24” X 12.70 mm ). SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, [S. l.], v. 3, n. 1, 2009. Disponível em: https://jurnal.umj.ac.id/index.php/sintek/article/view/96. Acesso em: 28 aug. 2025.