Luniva Dongol และ Donn Pjongluck. (2014) A study of relationship between attributes of Thai natural cosmetic and customer satisfaction in Bangkapi district, Bangkok. Stamford International University:ม.ป.ท.Luniva Dongol และ Donn Pjongluck. 2014. A study of relationship between attributes of Thai natural cosmetic and customer satisfaction in Bangkapi district, Bangkok. ม.ป.ท.:Stamford International University;Luniva Dongol และ Donn Pjongluck. A study of relationship between attributes of Thai natural cosmetic and customer satisfaction in Bangkapi district, Bangkok. ม.ป.ท.:Stamford International University, 2014. Print.