Environmental quality (clean air) regulations 1978 P.U.(A) 280 : new installations within residential areas not permitted without prior approval (regulation 4) - Malaysia. Jabatan Alam Sekitar; Malaysia. Kementerian Sains, Teknologi dan Alam Sekitar (Kuala Lumpur : Jabatan Alam Sekitar, 2010)
PTSL : Koleksi Dokumen