Chomkamon ubonnuch. (2013) Risk assessment of arsenic via consumption of rhizomes of selected medicinal plants in family zingiberaceae using @risk program. Mahidol university:ม.ป.ท.Chomkamon ubonnuch. 2013. Risk assessment of arsenic via consumption of rhizomes of selected medicinal plants in family zingiberaceae using @risk program. ม.ป.ท.:Mahidol university;Chomkamon ubonnuch. Risk assessment of arsenic via consumption of rhizomes of selected medicinal plants in family zingiberaceae using @risk program. ม.ป.ท.:Mahidol university, 2013. Print.