DJVU PDF Bui Khanh The. 2001, "Language Contact and Convergence Areas (The Case of Vietnam)", in Papers from the Sixth Annual Meeting of the Southeast Asian Linguistics Society, ed. K.L. Adams and T.J. Hudak, Tempe, Arizona, pp. 71-82. Arizona State University, Program for Southeast Asian Studies. cite.
DJVU PDF Bui Khanh The. 2000, "The Phong language of the ethnic Phong which live near the Melhir Muong Pon megalith in Laos", in The Fifth International Symposium on Languages and Linguistics, Hochiminh City, pp. 199-277. Vietnam National University, Ho Chi Minh City University of Social Sciences and Humanities. cite.
DJVU PDF Bui Khang The. 1996, "Problems of language contact in Vietnam (the main features of language change)", in The Fourth International Symposium on Language and Linguistics, Thailand, pp. 1857-1878. Institute of Language and Culture for Rural Development, Mahidol University. cite.