@techreport{weko_39753_1,
   author	 = "鄭,菁",
   title	 = "「構造化理論」の認識論と情報システム",
   year 	 = "1993",
   institution	 = "上智大学",
   number	 = "90(1993-IS-046)",
   month	 = "oct"
}