Thunchayavee Thongarnun. (2015) A study on marketing and demographic factors influencing the purchase behavior of working women in central business district of bangkok for imported organic skin care products from the usa. Stamford international university:ม.ป.ท.Thunchayavee Thongarnun. 2015. A study on marketing and demographic factors influencing the purchase behavior of working women in central business district of bangkok for imported organic skin care products from the usa. ม.ป.ท.:Stamford international university;Thunchayavee Thongarnun. A study on marketing and demographic factors influencing the purchase behavior of working women in central business district of bangkok for imported organic skin care products from the usa. ม.ป.ท.:Stamford international university, 2015. Print.