Saranya Changnaim. 2001. Job enrichment level of subdistrict health personnel : Nontaburi province. Field of Study Public Health Administration, Mahidol University;
Saranya Changnaim. (2001) Job enrichment level of subdistrict health personnel : Nontaburi province . Mahidol University/Bangkok.
Saranya Changnaim. Job enrichment level of subdistrict health personnel : Nontaburi province. . Bangkok:Mahidol University, 2001.
Saranya Changnaim. (2001) Job enrichment level of subdistrict health personnel : Nontaburi province . Mahidol University/Bangkok.