Supaporn Pengnonyang. 2005. Vitamin A, iron, zinc, iodine deficiencies, and their coexistence among rural northeast school children, Thailand. Field of Study Nutrition, Mahidol University;
Supaporn Pengnonyang. (2005) Vitamin A, iron, zinc, iodine deficiencies, and their coexistence among rural northeast school children, Thailand . Mahidol University/Bangkok.
Supaporn Pengnonyang. Vitamin A, iron, zinc, iodine deficiencies, and their coexistence among rural northeast school children, Thailand. . Bangkok:Mahidol University, 2005.
Supaporn Pengnonyang. (2005) Vitamin A, iron, zinc, iodine deficiencies, and their coexistence among rural northeast school children, Thailand . Mahidol University/Bangkok.