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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 Henderson, E.J.A. 1985, "Patterns of baby language in Bwe Karen", in Linguistics of the Tibeto-Burman Area, vol. 8, no. 2, pp. 55-59. cite.