Neikholhing Vaiphei, Dr. Arun Kumar. “Preparation and Study of Biodegradable Polymer-Based Materials Derived from Natural Resources for Environmentally Safe Packaging Applications: A Study in Manipur State”. International Journal of Engineering Science & Humanities, vol. 9, no. 1, Mar. 2019, pp. 110-9, https://www.ijesh.com/j/article/view/953.