@book{oai:ir.ide.go.jp:00044594,
 author = {難波, 修},
 month = {},
 note = {Ja/338.9/Aj154, application/pdf, KSS039800_007},
 publisher = {アジア経済研究所},
 title = {第4章 ブルガリア経済の成長循環},
 year = {1990}
}