DJVU PDF Jaisser, A.C. 1992, "White Hmong utterance particles: an introduction", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 160-168. Chulalongkorn University. cite.
DJVU PDF Cooke, J.R. 1992, "Thai sentence particles: putting the puzzle together", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 1105-1119. Chulalongkorn University. cite.