[1]
S. Saseetheran, B. Selvam, N. R. Awang, M. Yusoff, and A. . S. Mohamed, “Concentration of the PM2.5 according to the sampling areas associated with the concentration of heavy metals and anions in Penang”, JTRSS, vol. 9, no. 1, pp. 13–19, Aug. 2021.