Amra Bratovcic. “Application of Natural Biopolymers and Its Derivatives As Nano - Drug Delivery Systems in Cancer Treatment: https://doi.Org/10.54037/WJPS.2022.100209”. World Journal of Pharmaceutical Sciences, vol. 10, no. 02, Feb. 2022, pp. 232-4, https://wjpsonline.com/index.php/wjps/article/view/application-natural-biopolymers-cancer-treatment.