Ishak, A., E. Mohamad, L. Sukarma, AB R. Mahmood, M.A. A Rahman, S.H. Yahya, M.S. Salleh, and M.A. Sulaiman. 2017. “Cleaner Production Implementation Using Extended Value Stream Mapping for Enhancing the Sustainability of Lean Manufacturing”. Journal of Advanced Manufacturing Technology (JAMT) 11 (1(1), 47-60. https://jamt.utem.edu.my/jamt/article/view/2828.