Owen, Anthony David, and Jacqueline Yujia Tao. “International Best Practice for Emissions and Fuel Standards: Implementation Possibilities for ASEAN”. Asia Pacific Journal of Energy and Environment 3, no. 1 (June 30, 2016): 7–16. Accessed November 22, 2024. https://i-proclaim.my/journals/index.php/apjee/article/view/226.