Mansour, Fatma Elzhraa. “Characterization and Antimicrobial Characteristics of Chitosan Modified Hibiscus Sabdariffal.Extract”. JOURNAL OF ADVANCES IN PHYSICS 14, no. 3 (September 26, 2018): 5851–5857. Accessed April 28, 2024. https://rajpub.com/index.php/jap/article/view/7778.