Rahmawati, Ullya, Muryoto Muryoto, and Iswanto Iswanto. “Studi Penerapan Sistem Manajemen Kesehatan Dan Keselamatan Kerja (SMK3) Di RSUP Dr. Sardjito Yogyakarta”. Sanitasi: Jurnal Kesehatan Lingkungan 2, no. 4 (February 21, 2010): 158–165. Accessed June 18, 2025. https://e-journal.poltekkesjogja.ac.id/index.php/Sanitasi/article/view/884.