DJVU PDF Damrong Tayanin and Lindell, K. 1993, "The Khmu cycles of 60 days and 60 years", in The Mon-Khmer Studies Journal, vol. 23, pp. 103-118. cite.

DJVU PDF Solot Sirisai. 1993, "Karen folk perception of malaria", in The Mon-Khmer Studies Journal, vol. 23, pp. 129-132. cite.