Rakesh Kumar Saini, Hemraj Saini, Surjeet Singh. “Air Pollution Quality Monitoring System Using Internet of Things for Smart Cities”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 11, no. 2 (August 31, 2020): 1077–1092. Accessed July 15, 2024. https://turcomat.org/index.php/turkbilmat/article/view/12542.