See Junn Wayne, Novita Sakundarini, Christina May May Chin, Raja Ghazilla Raja Ariffin, and Sharifah Nadya Syed Azmi. 2020. “Integrating Green Affective Values and Materials Selection in Automotive Design: A Preliminary Study”. International Journal of Integrated Engineering 12 (5):43-54. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/5687.