Laporan PPM R008/2018 : Correlation Study Between Measured And Predicted PM10 Concentrations Using Different Models At Quarry Site November 2018 Dr. Izhar Abadi Bin Ibrahim Rais - Ipoh, Perak Pusat Penyelidkan Mineral, Jabatan Mineral Dan Geosains Malaysia 2018 - 61 p. col.,ill: 29 cm