Ab Rahman, N. H., S. S. Ab. Azis, N. A. A. Zulkifli, S. Baskaran, N. Aziz, and K. Mat Salleh. “COVID-19 STANDARD OPERATING PROCEDURE ADVANCEMENT FOR OFFICE BUILDING USING INDOOR ENVIRONMENTAL QUALITY ELEMENTS”. PLANNING MALAYSIA, vol. 21, no. 27, July 2023, doi:10.21837/pm.v21i27.1306.