TY  - BOOK
AU  - 
TI  - Laporan PPM R005/2017 : Development Of New Quarry Particulate Pollution Index Formula For QPPI V1.3.2 Software, Disember 2017
PY  - 2017///
CY  - Perak
PB  - Pusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malaysia
N1  - Includes bibliographical references
ER  -