DETERMINATION OF CARBAMATE PESTICIDES USING A BIOSENSOR BASED ON ENZYME ACETYLCHOLINESTERASE AND CHOLIN OXIDASE ON PLATINUM ELECTRODE - Mashuni, Mashuni; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Haluoleo University (UNHALU), Kendari, Sulawesi Tenggara, 93231 (Universitas Gadjah Mada, 2010)