Paduka, W., J. Chokpaisarn, N. Kunworarath, and K. Mahaprom. “Vitex trifolia L. Leaf herbal bar soap: Product formulation, determination of its active constituents, and product stability study”. Health Science, Science and Technology Reviews, vol. 19, no. 2, Aug. 2026, pp. 40-54, https://li01.tci-thaijo.org/index.php/journalup/article/view/270664.