Udomsak Suwansaranyu. 2005. Development of an approach for measuring white-collar and knowledge worker's productivity : group of accountantsUdomsak Suwansaranyu. Field of Study Industrial Engineering, Kasetsart University;
Udomsak Suwansaranyu. (2005) Development of an approach for measuring white-collar and knowledge worker's productivity : group of accountantsUdomsak Suwansaranyu . Kasetsart University/Bangkok.
Udomsak Suwansaranyu. Development of an approach for measuring white-collar and knowledge worker's productivity : group of accountantsUdomsak Suwansaranyu. . Bangkok:Kasetsart University, 2005.
Udomsak Suwansaranyu. (2005) Development of an approach for measuring white-collar and knowledge worker's productivity : group of accountantsUdomsak Suwansaranyu . Kasetsart University/Bangkok.