Khamis, Haji, Kituyi Lusweti, Haji Mwevura, Steven Nyanzi, and B.T. Kiremire. “Quantification of Lycopene from Tomatoes and Watermelons by Using Beer-Lambert Principle”. American Scientific Research Journal for Engineering, Technology, and Sciences 38, no. 2 (December 12, 2017): 119–133. Accessed September 19, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/3480.