DJVU PDF Dorothy Thomas. 1990. (Conference Reports) Northern Khmer Orthography Workshops, Surin. MKS 16-17:255-265.
DJVU PDF VAN DER HAAK, Feikje. 1993. Ta’uaih phonology and orthography:a preliminary statement. MKS 22:257-264.
DJVU PDF COSTELLO, Nancy A. and Khamluan SULAVAN. 1996. Preliminary statement of Katu orthography in Lao script. MKS 26:233-244.
DJVU PDF ENWALL, Joakim. 1998. Introductory remarks on M.H. Hutton’s Keh Deo writing. MKS 28:152-159.
DJVU PDF Pascale JACQ. 2004. The Development of a Lao-based orthography for Jrù. MKS 34:97-112.