TY - BOOK AU - Ngan,Chai Keong TI - Kekekalan klorotalonil, klorpirifos dan profenofos dalam tanah pertanian Cameron Highlands PY - 2004/// CY - Bangi PB - Perpustakaan Tun Seri Lanang KW - Universiti Kebangsaan Malaysia KW - Dissertations KW - Agriculture KW - Environmental aspects KW - Cameron Highlands (Pahang) KW - Chlorpyrifos KW - Agricultural pollution KW - Dissertations, Academic KW - Malaysia N1 - Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 2002 ER -