Somchai Yanchai. 2006. The investigated roles of the volunteers in preventing and controlling the bird flu disease : a case study of Rasom sub-district, Phachi district, Phra Nakhon Si Ayutthaya province. Field of Study Cultural Studies, Mahidol University;

Somchai Yanchai. The investigated roles of the volunteers in preventing and controlling the bird flu disease : a case study of Rasom sub-district, Phachi district, Phra Nakhon Si Ayutthaya province. . Bangkok:Mahidol University, 2006.

Somchai Yanchai. (2006) The investigated roles of the volunteers in preventing and controlling the bird flu disease : a case study of Rasom sub-district, Phachi district, Phra Nakhon Si Ayutthaya province . Mahidol University/Bangkok.