Chesada Panpeng. 2004. Adjustment of the poor older persons in Phetchabun province. Field of Study Population Education, Mahidol University;
Chesada Panpeng. (2004) Adjustment of the poor older persons in Phetchabun province . Mahidol University/Bangkok.
Chesada Panpeng. Adjustment of the poor older persons in Phetchabun province. . Bangkok:Mahidol University, 2004.
Chesada Panpeng. (2004) Adjustment of the poor older persons in Phetchabun province . Mahidol University/Bangkok.