Natthaya Sansamak. 2002. A sociolinguistic study of address system in the Northeastern Thai dialect spoken in Muang district, Ubonratchathani province. Field of Study Linguistics, Mahidol University;
Natthaya Sansamak. (2002) A sociolinguistic study of address system in the Northeastern Thai dialect spoken in Muang district, Ubonratchathani province . Mahidol University/Bangkok.
Natthaya Sansamak. A sociolinguistic study of address system in the Northeastern Thai dialect spoken in Muang district, Ubonratchathani province. . Bangkok:Mahidol University, 2002.
Natthaya Sansamak. (2002) A sociolinguistic study of address system in the Northeastern Thai dialect spoken in Muang district, Ubonratchathani province . Mahidol University/Bangkok.