Sardsaengjun, C., K. Suramanka, P. Chetpraphan, C. Jamladsaing, and N. Phukongchana. “Analytical Evaluation of Acacia catechu (L.f.) Willd. Heartwood Extract: Thin-Layer Chromatographic Profile and Physicochemical Characterization”. Progress in Applied Science and Technology, vol. 16, no. 2, Aug. 2026, pp. 7-20, doi:10.60101/past.2026.266070.