DJVU PDF Chommanad Intajamornrak. 2010, "Tai loanwords in Mal: A minority language of Thailand", in The Mon-Khmer Studies Journal, vol. 39, pp. 123-136. cite.

DJVU PDF Theraphan L-Thongkum and Chommanad Intajamornrak. 2008, "Tonal evolution induced by language contact: A case study of the T'in (Lua') language of Nan province, northern Thailand", in The Mon-Khmer Studies Journal, vol. 38, pp. 57-68. cite.