Mongkolrat, S., C. Palanuvej, and N. Ruangrungsi. “Thin Layer Chromatography and Image Analysis of Selected Liriodenine Bearing Plants in Thailand”. Journal of Health Research, vol. 27, no. 2, May 2017, pp. 67-72, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/85769.