Sansanee Boonkarnchanarat และ Somsook Khongpun. (2009) Customer satisfaction with the products and services of the printing houses in Bangkok. Thammasat University:ม.ป.ท.Sansanee Boonkarnchanarat และ Somsook Khongpun. 2009. Customer satisfaction with the products and services of the printing houses in Bangkok. ม.ป.ท.:Thammasat University;Sansanee Boonkarnchanarat และ Somsook Khongpun. Customer satisfaction with the products and services of the printing houses in Bangkok. ม.ป.ท.:Thammasat University, 2009. Print.