Abidin, D. N. I., Zakaria, P. M. D. R., Aminudin, D. E., & Dodo Yakubu Aminu. (2021). SUSTAINABLE BUILDING RETROFITTING AND ENERGY EFFICIENCY. Penerbit UTHM. https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/304