Kittinata Rhekhalilit. (2012) Comparison of the Personal Pronoun System in Three Southwestern Tai Languages: Semantic Variation and Possible Implications for Change in the First Person Plural Pronoun. <i>NIDA Development Journal</i>, <i>52</i>(4), 89-118.Kittinata Rhekhalilit. "Comparison of the Personal Pronoun System in Three Southwestern Tai Languages: Semantic Variation and Possible Implications for Change in the First Person Plural Pronoun". NIDA Development Journal 52 (2012):89-118.Kittinata Rhekhalilit. Comparison of the Personal Pronoun System in Three Southwestern Tai Languages: Semantic Variation and Possible Implications for Change in the First Person Plural Pronoun. National Institute of Development Administration:ม.ป.ท. 2012.