Hutapea และ Albert Manggading. (1999) Digestion, disposition and metabolism of stevioside. Mahidol University,:ม.ป.ท.Hutapea และ Albert Manggading. 1999. Digestion, disposition and metabolism of stevioside. ม.ป.ท.:Mahidol University,;Hutapea และ Albert Manggading. Digestion, disposition and metabolism of stevioside. ม.ป.ท.:Mahidol University, 1999. Print.