©2013 National Research Council of Thailand
Sombat Thamrongsinthaworn. 2007. Consumer investment in multi-brand service relationship. Field of Study Marketing, Thammasat University;
Sombat Thamrongsinthaworn. (2007) Consumer investment in multi-brand service relationship . Thammasat University/Bangkok.
Sombat Thamrongsinthaworn. Consumer investment in multi-brand service relationship. . Bangkok:Thammasat University, 2007.
Sombat Thamrongsinthaworn. (2007) Consumer investment in multi-brand service relationship . Thammasat University/Bangkok.