Riny Yolandha Parapat, Muthi Hannindyah, Tito Irawan, dan Siti Najmatul Mu’izzah, “Community Service for Industrial Stakeholders: Risk Analysis in Urea Reactor Using HAZOP in PT Pupuk Kujang Cikampek”, JAM, vol. 3, no. 03, hlm. 364–401, Jun 2025.