Chai Mee, Kin, Huat Tan Guan, and Kumari Asha. 2005. “Determination of Active Ingredients in Pesticide Formulations by Gas Chromatography With an Electron Capture Detector”. Malaysian Journal of Science 24 (2):59-63. https://mjes.um.edu.my/index.php/MJS/article/view/8328.