Waluyo, Bakti Dwi, Harvei Desmon Hutahaean, and Agus Junaidi. 2020. “Multiplexer Performance Testing For IoT-Based Air Quality Monitoring System: Multiplexer Performance Testing For IoT-Based Air Quality Monitoring System”. Jurnal Mantik 4 (1):33-40. https://iocscience.org/ejournal/index.php/mantik/article/view/657.