Multri Okta Ilham, R., R. Hadelina, M. H. Hersyah, and L. Arief. “Condition Monitoring System and Automatic Air Cleaning in the Toilet of Firebase-Based Andalas University Lecture Building”. CHIPSET, Vol. 6, no. 02, Oct. 2025, pp. 117-23, doi:10.25077/chipset.6.02.117-123.2025.