Phonkerd, N. “Evaluation of Total Phenolic and Flavonoid Contents, Antioxidant, and Antibacterial Activities of Crude Extracts from Roots of Diospyros Gardneri”. Food and Applied Bioscience Journal, vol. 12, no. 3, Dec. 2024, pp. 35-45, https://li01.tci-thaijo.org/index.php/fabjournal/article/view/261554.