K. Al-Zboon, Kamel, and Osric Tening Forton. 2019. “Indoor Air Quality in Steel Rolling Industries and Possible Health Effects: DOI: 10.32526/Ennrj.17.4.2019.28”. Environment and Natural Resources Journal 17 (4). Nakhon Pathom, Thailand:20-29. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/194435.