แกนุ ไ, กองคำ ส. Effect of Ethanolic Extraction and Partial Purification on Phenolic Compounds Content and Antioxidant Capacities of Caesalpinia sappan Heartwood. Thai J. Sci. Technol. [internet]. 2021 Jun. 28 [cited 2026 Sep. 1];10(1):96-108. available from: https://li01.tci-thaijo.org/index.php/tjst/article/view/241818