Choong, Yew-Keong, Nor Syaidatul Akmal Mohd Yousof, Jamia Azdina Jamal, and Mohd Isa Wasiman. “Determination of Anthocyanin Content in Two Varieties of Hibiscus Sabdariffa from Selangor, Malaysia Using a Combination of Chromatography and Spectroscopy”. Journal of Plant Science and Phytopathology 3, no. 2 (July 30, 2019): 067–075. Accessed May 2, 2025. https://www.plantsciencejournal.com/jpsp/article/view/jpsp-aid1034.