., surjono, and Ridhoni M. “Life Satisfaction Index and Physical Sustainability Aspects of Kampung Settlement in Malang, Indonesia”. International Journal of Engineering and Technology 7, no. 4 (May 5, 2019): 6238–6242. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/28600.