Browsing by Author 이득연

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Showing results 13 to 14 of 14

Issue DateTitleAuthor(s)
1995학교소비자교육의교수학습방법한국소비자보호원; 이득연
1990환경과소비자보호에관한연구한국소비자보호원; 노영화; 이득연

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