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https://projectresearch.co.kr/2018/01/12/pmi-%ed%91%9c%ec%a4%80-ba-pmbok-agile-program-portfolio%ec%97%90-%eb%8c%80%ed%95%9c-%ed%95%b5%ec%8b%ac/
PMI 표준 (BA, PMBOK, Agile, Program, Portfolio)에 대한 핵심