Chaveerach, Arunrat, Piya Mokkamul, Runglawan Sudmoon, and Tawatchai Tanee. 2006. “Ethnobotany of the Genus <i>Piper</i≫ (Piperaceae) in Thailand”. Ethnobotany Research and Applications 4 (December):223-31. https://ethnobotanyjournal.org/index.php/era/article/view/116.