Aprillia Cindy Artanti, Rusnoto, and Ahmad Farid. “ The Relationship Between Physical Environment, Air Quality and Noise to Patient Comfort Levels in the Standard Inpatient Class (KRIS) of RS X Kudus”. International Journal of Economics, Business and Innovation Research 5, no. 03 (May 3, 2026): 1303-1321. Accessed November 4, 2026. https://e-journal.citakonsultindo.or.id/index.php/IJEBIR/article/view/3398.