1select the search field and input the keyword.
2set up the additional searching limit.
3support the pop-up page with function to type with different languages.
2select either keyword or right truncation.
3Year of publication, the Search for the type, degree, select the.다.
4click search.
1available to see by with subject, author, provide institution, year of provide and the type of resource.
2Data types were separated by an icon, click the Advanced Search signing, you can view the contents.
3available to re-search in the results of search.
4available to re-search in the results of search.
Search keywords[주제어:Energy-efficient]
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