Ali, N. F., and Abd- El salam, I. S. “Antimicrobial characteristics of wool fibers treated with chitosan-propolis nano composite and dyed with natural dye extracted from Red Prickly Pear”. International Journal of Agricultural Technology, vol. 16, no. 2, Mar. 2020, pp. 223-36, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6502.