Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Yang Qing Min,Historical Changes of Coal Policies in China: with Focusing on the Medium and Small Coal Mines,比較社会文化研究,,"Graduate School of Social and Cultural Studies, Kyushu University",2002-10-31,12,,33-45,https://cir.nii.ac.jp/crid/1390572176771951104,https://doi.org/10.15017/4494531