Saifullah Al Fahmi, Luluk Aniqoh Meliana Putri, Ivan Junius Mesak, Juvita Herdianty. Antibacterial Activity Test of Combination of Chitosan and Ethanol Extract of Cocoa Leaves (Theobroma Cacao L.) Against Salmonella Typhi Bacteria. Strada J. Pharm. [Internet]. 2024 Oct. 28 [cited 2025 Sep. 13];6(2):142-5. Available from: http://www.thesjp.org/index.php/SJP/article/view/148