Nasution, G. S. dan Lubis, E. A. . (2022) “Gambaran Keberadaan Bakteri Bacillus sp. Pada Ruangan Ber–AC Dan Non AC Systematic Review”, Sains Medisina, 1(2), hlm. 130–140. Tersedia pada: https://wpcpublisher.com/jurnal/index.php/sainsmedisina/article/view/148 (Diakses: 21 November 2024).