Thiagamani, S. M. K., S. Krishnasamy, and S. Siengchin. “Challenges of Biodegradable Polymers: An Environmental Perspective”. Applied Science and Engineering Progress, vol. 12, no. 3, Aug. 2019, p. 149, https://ph02.tci-thaijo.org/index.php/ijast/article/view/210866.