Abbas, Zeyad S., et al. “Green Synthesis of Chitosan Nanoparticles Using Cinnamomum Cassia L. Hexane Bark Extract and Its Antibacterial Activity Against MDR Klebsiella Pneumoniae”. Iraqi Journal of Science, vol. 67, no. 3, Mar. 2026, pp. 1542-55, https://doi.org/10.24996/ijs.2026.67.3.21.