Chinh, N. T., Nguyen, T. T. T., Mai, T. T., Cong, D. V., Huynh, M. D., Trung, T. H., Thang, V. V., Hoang, T., & Giang, N. V. (2017). Influence of polyethylene oxide content on some characteristics of PLA/CS films loading nifedipine. Vietnam Journal of Science and Technology, 55(6), 716–724. https://doi.org/10.15625/2525-2518/55/6/9617