sedaegyocheron
generational change theory
théorie du changement générationnel ; théorie du renouvellement générationnel ; théorie de la transition générationnelle
세대교체론은 사회 변화의 중요한 요소로 여겨진다.
sedae-gyeochaeron-eun sahoe byeonhwa-ui jungyohan yoso-ro yeogyeojinda.
Generational change theory is considered an important factor in social change.
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