Abd Ghaffar, Nurfarhanah Aqilah, and Noor Yasmin Zainun. “The Challenges in Application of ‘Cradle-to-Cradle Concept in Waste Management”. Recent Trends in Civil Engineering and Built Environment, vol. 4, no. 3, Jan. 2024, pp. 531-40, https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5942.