Wangel, A., M. Mohamed, and A. P. “CLEANER PRODUCTION PRACTICES, ENVIRONMENTAL MANAGEMENT AND NATIONAL POLICY DEVELOPMENT IN MALAYSIA FOR ELECTROPLATING ENTERPRISES”. Malaysian Journal of Science, vol. 23, no. 2, Aug. 2004, pp. 141-8, https://samudera.um.edu.my/index.php/MJS/article/view/8448.