Nasution GS, Lubis EA. Gambaran Keberadaan Bakteri Bacillus sp. Pada Ruangan Ber–AC Dan Non AC Systematic Review. SnsMed [Internet]. 31 Desember 2022 [dikutip 11 April 2025];1(2):130-4. Tersedia pada: https://wpcpublisher.com/jurnal/index.php/sainsmedisina/article/view/148