DOI: 10.31219/osf.io/vpn4k
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Nguyen Thanh Nhan

Abstract: A case study is used as a method to explore and understand complex issues, in-depth investigations. It can be used in many social science studies, and the role of the case study becomes notable in psychology, education, sociology, community- based problems, business. By combining both qualitative and quantitative research, a case study helps explain both the process and the outcome of a phenomenon through comprehensive observation, restructuring, and analysis of the investigated cases. Although researchers can…

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