S. SIMANUNGKALIT, Rijal; DARYANTO, Eka. Violation of the Engineer’s Code of Ethics in Recruiting Welder Qualifications Project PLTM Parmonangan. International Journal of Science and Environment (IJSE), [S. l.], v. 6, n. 2, p. 637–643, 2026. DOI: 10.51601/ijse.v6i2.553. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/553. Acesso em: 22 may. 2026.