DJVU PDF Kosaka, R. 1997, "On the Loans of Vietnamese Origin in the Saek Language", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 127-146. Chulalongkorn University Press. cite.

DJVU PDF Thongkum, T.L. 1997, "Tone Change and Language Contact: a Case Study of Mien-Yao and Thai", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 153-160. Chulalongkorn University Press. cite.