Nopphawan Unjitsitthidet. 2010. Attitude towards and satisfaction with welfare of civil servant and permanent government employee of Thonburi district. Bangkok:Thammasat University;
Nopphawan Unjitsitthidet. (2010) Attitude towards and satisfaction with welfare of civil servant and permanent government employee of Thonburi district (รายงานผลงานวิจัย). Thammasat University:Bangkok.
Nopphawan Unjitsitthidet. Attitude towards and satisfaction with welfare of civil servant and permanent government employee of Thonburi district. Bangkok:Thammasat University, 2010.
Nopphawan Unjitsitthidet. (2010) Attitude towards and satisfaction with welfare of civil servant and permanent government employee of Thonburi district (รายงานผลงานวิจัย). Thammasat University:Bangkok.