LEE, S. A.; A MAJID, H. Air Quality Monitoring System for Smart Cities. Progress in Engineering Application and Technology, [S. l.], v. 3, n. 1, p. 595–603, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6086. Acesso em: 27 feb. 2024.