Solot Sirisai. (1986) The phonological description of Lahu Nyi language spoken in Chayi village, Patung sub-district, Mae Chan district, Chiengrai province. Mahidol University,:ม.ป.ท.Solot Sirisai. 1986. The phonological description of Lahu Nyi language spoken in Chayi village, Patung sub-district, Mae Chan district, Chiengrai province. ม.ป.ท.:Mahidol University,;Solot Sirisai. The phonological description of Lahu Nyi language spoken in Chayi village, Patung sub-district, Mae Chan district, Chiengrai province. ม.ป.ท.:Mahidol University, 1986. Print.