2024-05-172024-05-171974https://repoemc.ukm.my/handle/123456789/1060Tambahan Perundangan Persekutuan, Akta Kualiti Alam Sekeliling 1974 (Akta 127)mayKaedah-Kaedah Kualiti Alam Sekeliling Mengkompaun Kesalahan-Kesalahan Pindaan 1999 – P.U.A 512-99Act