70:20:10 모델

Published at 400 × 282 in 마케팅의 70:20:10 법칙

이미지 출처: https://elearningindustry.com/the-70-20-10-model-today-tomorrow-and-beyond

이미지 출처: https://elearningindustry.com/the-70-20-10-model-today-tomorrow-and-beyond

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