Triyantoro, Budi, Suparmin Suparmin, and Dwi Bayu Karti Utami. “Studi Angka Lempeng Total (ALT) Mikroba Dan Staphylococcus Pada Mesin Fingerprint Perkantoran”. Jurnal Riset Kesehatan 4, no. 1 (February 18, 2016): 677–680. Accessed October 24, 2026. https://ejournal.poltekkes-smg.ac.id/ojs/index.php/jrk/article/view/345.