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Search Symbol (Half-width) Description of Search Symbols
Space "AND" indicates the intertwining of key terms used in a search
Double Quotation Marks ("") ( " " ) Double quotation marks indicate the beginning and end of a phrase, and the search will only include terms that appear in the same order of those within the quotations. Example: "image process" : " image process "
? Indicates a variable letter. Entering two ? will indicate two variable letters, and so on. Example: "Appl?", search results will yield apple, apply… e , appl y … ( (often used to English word searches) )
* Indicates an unlimited number of variable letters to follow, from 1~n. Example: Enter "appl*", search results will yield apple, apples, apply, applied, application…(often used in English word searches) e , appl es , appl y , appl ied , appl ication … ( (often used to English word searches) )

Boolean logic combinations of key words is a skill used to expand or refine search parameters.
(1) AND (1) AND: Refines search parameters
(2) OR (2) OR: Expands search parameters (3) NOT: Excludes irrelevant parameters


DOI stands for Digital Object Identifier ( D igital O bject I dentifier ) ,
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.

Using DOI as a persistent link

To create a persistent link, add「」 「 」 before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: 10.5297/ser.1201.002
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.

Cite a document with DOI

When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.

DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI ) 。

Abstract 〈TOP〉
    Reference ( 267 ) 〈TOP〉
    1. The White House, “The National Security Strategy of the United States of America,” The White House:
    2. ISIS, “Agreed Framework between the United States of America and the Democratic People's Republic of Korea,” ISIS:
    3. Baker, John C., 1997, Non-proliferation Incentives for Russia and Ukraine, NY: Oxford University Press for the International Institute for Strategic Studies.
    4. Keohane, Robert O., 1986, Neorealism and Its Critics, New York: Columbia University Press.
    5. Kim, Samuel S., 2001, The North Korean System in the Post-Cold War Era, New York: PALGRAVE.
    Times Cited (4) 〈TOP〉
    1. 林伯駿(2012)。制度存續的鬥爭:影響北韓金正日時期(1990-2011)對外行為的國內因素。臺灣大學政治學研究所學位論文。2012。1-269。 
    2. 鍾俊山(2006)。北韓核武發展對國際安全之影響。政治大學國家安全與大陸研究碩士在職專班學位論文。2006。1-222。
    3. 倪智琳(2009)。中國在六方會談中的角色與展望。政治大學國家發展研究所學位論文。2009。1-184。
    4. 洪佶哃(2012)。胡錦濤時期中國對韓國外交政策之研究。臺灣大學國家發展研究所學位論文。2012。1-112。
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