Apiratee Viseatjit และ Wanna Charoenchang. (2009) Factors influencing customers' decisions on purchasing toothpaste in the Bangkok area. Thammasat University:ม.ป.ท.Apiratee Viseatjit และ Wanna Charoenchang. 2009. Factors influencing customers' decisions on purchasing toothpaste in the Bangkok area. ม.ป.ท.:Thammasat University;Apiratee Viseatjit และ Wanna Charoenchang. Factors influencing customers' decisions on purchasing toothpaste in the Bangkok area. ม.ป.ท.:Thammasat University, 2009. Print.