Wannakon Jettayakamin. (1999) Development of dietary supplement database. Mahidol University,:ม.ป.ท.Wannakon Jettayakamin. 1999. Development of dietary supplement database. ม.ป.ท.:Mahidol University,;Wannakon Jettayakamin. Development of dietary supplement database. ม.ป.ท.:Mahidol University, 1999. Print.