Title: Rūam botkhwām čhāk kānsammanā sangkhom hǣng kānrīanrū kānprayuk sangkhommasāt læ manutsayasāt phư̄a phatthanā khunnaphāp chīwit
Description: Conference papers on social conditions and social history of Thailand.
Subjects: Congresses, Social conditions
Places: Thailand