Chaveerach, Arunrat, Piya Mokkamul, Runglawan Sudmoon, and Tawatchai Tanee. “Ethnobotany of the Genus <i>Piper</i≫ (Piperaceae) in Thailand”. Ethnobotany Research and Applications 4 (December 31, 2006): 223–231. Accessed October 28, 2021. https://ethnobotanyjournal.org/index.php/era/article/view/116.