@article{KIMYoungbong:1999-00-00, author="KIM, Youngbong", title="Conceptual Change in Vietnamese Nha nhac", journal="Journal of the Musicological Society of Japan", ISSN="00302597", publisher="The Musicological Society of Japan", year="1999", month="", volume="45", number="1", pages="15-27", URL="http://ci.nii.ac.jp/naid/110000131748/en/", DOI="", }