Ab. Azis, S. S., Sipan, I., Sapri, M., Mohd Yusoff, N. S., & Abdullah Hashim, H. (2019). COMPARISON ON ENERGY SAVING: GREEN ROOF AND GREEN WALL. PLANNING MALAYSIA, 17(9). Retrieved from https://journals.iium.edu.my/pmr/index.php/pmj/article/view/585