Kamaruddin, A. ., Zainol, N. N. ., Sulaiman, M. A. ., Sukereman, A. S. . and Abdullah Hashim, H. . (2025) “Green Cleaning as a Tool in Combating COVID-19: A Content Validity Study for Malaysian Healthcare Facilities”, Built Environment Journal, 19(2), pp. 67–76. Available at: https://journal.uitm.edu.my/ojs/index.php/BEJ/article/view/6547 (Accessed: 6 December 2025).