- 리더의 조건 https://m.blog.naver.com/PostView.nhn?blogId=wdvrdx123&logNo=140198129642&proxyReferer=https%3A%2F%2Fwww.google.com%2F
- https://brunch.co.kr/@haeraclass/150
- 조용한 리더 http://www.yes24.com/Product/goods/6036065
- 강한 팀의 조건 http://www.kyobobook.co.kr/product/detailViewKor.laf?barcode=9788993322415
- 리더십 챌린지 https://m.blog.naver.com/puissance22/221314700559