Laporan PPM R005/2019 : Research And Development Of Green Technology For Mine Rehabilitation : Development Of Acid Mine Drainage (AMD) Passive Treatment Technology November 2019 Norinsafrina bt Mustaffa Kamal - Perak Pusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malysia 2019 - ii, 19 p ill, col, photo 29 cm