Leuprasert, Lagsana, and Watinee Chawengrattanachot. 2017. “Development of a Test Kit for Screening of Arsenic in Medicinal Plant Products-การพัฒนาชุดทดสอบสารหนู ในผลิตภัณฑ์สมุนไพร”. Journal of Health Science of Thailand 17 (5):810-19. https://thaidj.org/index.php/JHS/article/view/1273.