DJVU PDF Samang Hiranburana. 1979, "A Classification of Thai Classifiers", in South-east Asian Linguistic Studies Vol. 4, ed. N.D. Liem, vol. 4, pp. 39-54. Pacific Linguistics, the Australian National University. cite.
DJVU PDF Hiranburana, S. 1972, "Changes in the Pitch Contours of Unaccented Syllables in Spoken Thai", in A Conference on Tai Phonetics and Phonology, ed. J.G. Harris and R.B. Noss, pp. 23-27. Mahidol University. cite.