Nitima Tangtrongchit. 2003. Factors related to the consumption need level of dietary supplement products of the secondary school's teacher in the Department of General Education in BangkokNitima Tangtrongchit. Field of Study Population Education, Mahidol University;
Nitima Tangtrongchit. (2003) Factors related to the consumption need level of dietary supplement products of the secondary school's teacher in the Department of General Education in BangkokNitima Tangtrongchit . Mahidol University/Bangkok.
Nitima Tangtrongchit. Factors related to the consumption need level of dietary supplement products of the secondary school's teacher in the Department of General Education in BangkokNitima Tangtrongchit. . Bangkok:Mahidol University, 2003.
Nitima Tangtrongchit. (2003) Factors related to the consumption need level of dietary supplement products of the secondary school's teacher in the Department of General Education in BangkokNitima Tangtrongchit . Mahidol University/Bangkok.