N. Bahiyah Abd Wahid, H. Abdul Razak, and R. Adawiyah Amzah, “Variation of Particulate Matter (PM10) in a Semi-urban Area during 2015 Malaysia Haze”, IJET, vol. 7, no. 4.38, pp. 1409–1411, Dec. 2018, doi: 10.14419/ijet.v7i4.38.27887.