DJVU PDF Suwilai Premsrirat. 2002, "Appropriateness in Khmu culture", in The Mon-Khmer Studies Journal, vol. 32, pp. 117-129. cite.
DJVU PDF Lundström, H. 2002, "Kammu vocal genres and performance", in The Mon-Khmer Studies Journal, vol. 32, pp. 131-143. cite.