Nesfu NAM, Ulang NM, Baharum F. OVERVIEW OF MICROORGANISM CROSS- CONTAMINATION PREVENTION VIA DOOR HANDLES AT HEALTH CARE CLINIC UTILISING ’TOUCH-LESS CONCEPT DOOR. CAC. 2021;22(5):773-789. Accessed August 8, 2025. https://ca-c.org/index.php/cac/article/view/927