Chaiyathip Katsura. 1993. An analysis of cohesion in Sgaw Karen folk narratives. Chiang Mai:Payap University;
Chaiyathip Katsura. (1993) An analysis of cohesion in Sgaw Karen folk narratives (รายงานผลงานวิจัย). Payap University:Chiang Mai.
Chaiyathip Katsura. An analysis of cohesion in Sgaw Karen folk narratives. Chiang Mai:Payap University, 1993.
Chaiyathip Katsura. (1993) An analysis of cohesion in Sgaw Karen folk narratives (รายงานผลงานวิจัย). Payap University:Chiang Mai.