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. Faculty of Graduate Studies, Mahidol University;
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/Bangkok.
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. . Bangkok:Mahidol University, 1998.
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/Bangkok.