Kong, Yong Chee, Noraini Omar Chong, Egna Francis Gitom, and Theo Fidelis Tarigan. 2026. “Urbanization in Transition: Building A Future-Ready Framework for Malaysia’s Sustainable Tiered City System”. Journal of Environmental and Development Studies 7 (1):032-041. https://doi.org/10.32734/jeds.v7i1.25604.