Doungnapa Pichetkul. 2004. Performance of the complaints handling officers in the universal health coverage project. Field of Study Population Education, Mahidol University;
Doungnapa Pichetkul. (2004) Performance of the complaints handling officers in the universal health coverage project . Mahidol University/Bangkok.
Doungnapa Pichetkul. Performance of the complaints handling officers in the universal health coverage project. . Bangkok:Mahidol University, 2004.
Doungnapa Pichetkul. (2004) Performance of the complaints handling officers in the universal health coverage project . Mahidol University/Bangkok.