Abidin DNI, Zakaria PMDR, Aminudin DE, Dodo Yakubu Aminu. SUSTAINABLE BUILDING RETROFITTING AND ENERGY EFFICIENCY. Penerbit UTHM; 2021. Accessed July 18, 2024. https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/304