Impak CCA terhadap kualiti air sungai akibat industri kayu - Tingle, Alfredo (Bangi : Perpustakaan Tun Seri Lanang, 2003)
Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 1998
Keywords: Proteolytic enzymes; Sream ecology; Water -- Pollution -- Environmental aspects