Ishak, A., E. Mohamad, L. Sukarma, M.S. Salleh, M.R. Salleh, N.A. Mohamad, R.I.R. Abdullah, and M.A.M. Ali. 1. “Cleaner Production Implementation In An E-Waste Recovery Plant By Using The Value Stream Mapping”. Journal of Advanced Manufacturing Technology (JAMT) 12 (1(2), 55-68. https://jamt.utem.edu.my/jamt/article/view/4269.