See Junn Wayne, Novita Sakundarini, Christina May May Chin, Raja Ghazilla Raja Ariffin, and Sharifah Nadya Syed Azmi. “Integrating Green Affective Values and Materials Selection in Automotive Design: A Preliminary Study”. International Journal of Integrated Engineering 12, no. 5 (June 6, 2020): 43–54. Accessed May 26, 2022. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/5687.