Suwipa Intakhiao และผู้แต่งคนอื่นๆ. (2020) Quality evaluation using TLC methods with reference to brazilin contentof Caesalpinia sappan heartwoods in Thailand. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(1), 196-202.Suwipa Intakhiao และผู้แต่งคนอื่นๆ. "Quality evaluation using TLC methods with reference to brazilin contentof Caesalpinia sappan heartwoods in Thailand". Songklanakarin Journal of Science and Technology 42 (2020):196-202.Suwipa Intakhiao และผู้แต่งคนอื่นๆ. Quality evaluation using TLC methods with reference to brazilin contentof Caesalpinia sappan heartwoods in Thailand. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.