Ali Zreba , Kamal Yousef, et al. “Malaysian and Libyan Perspectives on Single-Use Plastic’s Environmental Impact During the Pandemic COVID-19: A Pilot Study”. International Journal of Integrated Engineering, vol. 15, no. 2, Sept. 2023, pp. 283-9, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/13344.