Kawaree*, R., Phutdhawong, W., Picha, P., Ngamkham, J. and Chowwanapoonpohn, S. 2018. Chemical Compounds, Anticancer and Antioxidant Activities of Volatile Oil from Piper sarmentosum Roxb., Polyscias fruticose Harms. And Polygonum odoratum Lour. CURRENT APPLIED SCIENCE AND TECHNOLOGY. 6, 2b (Mar. 2018), 499–504.