Nongnuan Poolkasorn. 2002. The factors affecting health promoting behaviors among the elderly in Kamphaengphet province. Field of Study Health Education and Behavioral, Mahidol University;
Nongnuan Poolkasorn. (2002) The factors affecting health promoting behaviors among the elderly in Kamphaengphet province . Mahidol University/Bangkok.
Nongnuan Poolkasorn. The factors affecting health promoting behaviors among the elderly in Kamphaengphet province. . Bangkok:Mahidol University, 2002.
Nongnuan Poolkasorn. (2002) The factors affecting health promoting behaviors among the elderly in Kamphaengphet province . Mahidol University/Bangkok.