DICKY PRIMA ALEXANDER MANURUNG; EKA DARYANTO; SYAFIATUN SIREGAR. Analysis of Violations of the Indonesian Engineers Code of Ethics (PII) and Systemic Failures in the Hambalang P3son Project Case Study. International Journal of Science and Environment (IJSE), [S. l.], v. 6, n. 2, p. 690–693, 2026. DOI: 10.51601/ijse.v6i2.559. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/559. Acesso em: 22 may. 2026.