Ngan, Chai Keong <br/><br/>
Kekekalan klorotalonil, klorpirifos dan profenofos dalam tanah pertanian Cameron Highlands  [microform] / 
Ngan Chai Keong 
 - Bangi :  Perpustakaan Tun Seri Lanang,  2004 
 - 1 microfilm reel ;  35 mm. 
<br/><br/>Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 2002 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Universiti Kebangsaan Malaysia--Dissertations
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Environmental aspects--Cameron Highlands (Pahang)<br/>Chlorpyrifos--Environmental aspects--Cameron Highlands (Pahang)<br/>Agricultural pollution--Environmental aspects--Cameron Highlands (Pahang)<br/>Dissertations, Academic--Malaysia