Astuti RD, Purrohman PS. Sistem Manajemen Keselamatan dan Kesehatan Kerja di PT Centex. utilitas [Internet]. 2016 Sep. 4 [cited 2024 Jul. 18];2(2):122-9. Available from: https://journal.uhamka.ac.id/index.php/utilitas/article/view/4702