Sihombing, Denny Jean Cross. “Development of Occupational Health and Safety Information System in Construction Company Using RAD Method”. Jurnal Info Sains : Informatika dan Sains 13, no. 03 (December 7, 2023): 853–860. Accessed April 21, 2026. https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/3477.