M.A. Suhaimi, M.A.A. Rahman, M. Awang, Z.A.Akasah, & N. Hashim. (2018). Problems Associated with Indoor Air Quality (IAQ) in Classroom and Recommended Approaches. Politeknik & Kolej Komuniti Journal of Social Sciences and Humanities, 1(1), 24–30. Retrieved from https://app.mypolycc.edu.my/journal/index.php/PMJSSH/article/view/129