Abstract
요약
Ⅰ. Introduction
Ⅱ. Methods
1. Targets
2. Data collection
3. Data analysis
4. Verifying the validity and adequacy of the study
Ⅲ. Results
1. Socio-demographic characteristics
2. Factors and operation methods of the political control
Ⅳ. Discussion
Ⅴ. Conclusions and Suggestions
References