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
총체성은 모든 요소가 상호작용하여 전체를 형성한다는 개념이다.chongtaeseong-eun modeun yoso-ga sanghojagyeonhayeo jeonche-reul hyeongseonghandaneun gaenyeomida.Holism is the concept that all elements interact to form a whole.