DJVU PDF Gandour, J.T., Petty, S.H., Dardarananda, R., Dechongkit, S. and Mukngoen, S. 1986, "The acquisition and dissolution of the voicing contrast in Thai", in Linguistics of the Tibeto-Burman Area, vol. 9, no. 2, pp. 36-52. cite.
DJVU PDF Gandour, J.T. 1981, "A diagnostic aphasia examination for Thai", in Linguistics of the Tibeto-Burman Area, vol. 6, no. 2, pp. 65-76. cite.