Mohd Rodzi, Khairul Asyraf, et al. “Densification Strategy: Sustainability Analysis of Co-Housing Typology”. International Journal of Sustainable Construction Engineering and Technology, vol. 13, no. 4, Nov. 2022, pp. 432-43, https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/12844.