Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
계서화는 조직의 구조를 시각적으로 나타내는 데 사용됩니다.gyeseohwaneun jojig-ui gujo-reul sigagjeog-eulo natanaeneun de sayongdoemnida.A hierarchical drawing is used to visually represent the structure of an organization.