Tingle, Alfredo <br/><br/>
Impak CCA terhadap kualiti air sungai akibat industri kayu  [microform] / 
Alfredo Tingle 
 - Bangi :  Perpustakaan Tun Seri Lanang,  2003 
 - 1 microfilm reel ;  35 mm. 
<br/><br/>Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 1998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proteolytic enzymes<br/>Sream ecology<br/>Water--Pollution--Environmental aspects