NANSU, W., CHAIWUT, P., ROSS, S., ROSS, G., SUPHROM, N., & MAHASARANON, S. (2021). Developments of biodegradable polymer based on polylactic acid (PLA) with natural color extracts for packaging film applications. Journal of Metals, Materials and Minerals, 31(3), 127-133. Retrieved from http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1147