DJVU PDF Unchalee Singnoi. 2004, "Discourse functions of Thai demonstratives: a case on pragmatically controlled irregularfunctions", in Papers from the Eleventh Annual Meeting of the Southeast Asian Linguistics Society, ed. S. Burusphat, Tempe, Arizona, pp. 645-657. Arizona State University, Program for Southeast Asian Studies. cite.

Unchalee Singnoi 1988, "A comparative study of Pray and Mal phonology", Master thesis, Mahidol University. cite.