Sukanya Sangwirach. (1998) The study of the impact of school lunch and school milk programs on nutritional aspects in primary schools of the Bangkok Metropolitan Administration. Mahidol University,:ม.ป.ท.Sukanya Sangwirach. 1998. The study of the impact of school lunch and school milk programs on nutritional aspects in primary schools of the Bangkok Metropolitan Administration. ม.ป.ท.:Mahidol University,;Sukanya Sangwirach. The study of the impact of school lunch and school milk programs on nutritional aspects in primary schools of the Bangkok Metropolitan Administration. ม.ป.ท.:Mahidol University, 1998. Print.