Rattiya Ngampradit. 2004. A comparative study of attitudes toward bat conservation : communities where guano mining is permitted (Ratchaburi) and forbidden (Uthai Thani). Field of Study Environmental Planing for Community and Rural Development, Mahidol University;

Rattiya Ngampradit. A comparative study of attitudes toward bat conservation : communities where guano mining is permitted (Ratchaburi) and forbidden (Uthai Thani). . Bangkok:Mahidol University, 2004.

Rattiya Ngampradit. (2004) A comparative study of attitudes toward bat conservation : communities where guano mining is permitted (Ratchaburi) and forbidden (Uthai Thani) . Mahidol University/Bangkok.