?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-33-6311-3%E2%82%81%E2%82%81%E2%82%81&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Musbah&rft.au=Musbah%2C+M.F.&rft.aufirst=M.F.&rft.date=2021&rft.pages=983-991&rft.volume=132&rft.issn=23662557&rft.atitle=Assessing+the+seasonal+variation+of+particulate+matters+concentration+in+perak%2C+malaysia&rft.title=Lecture+Notes+in+Civil+Engineering&rft.isbn=9789813363106&rft.genre=article