한국사-농업 경영의 변화와 농민의 계층 분화
https://www.google.co.kr/url sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwiNtNyb4a3mAhUGxYsBHUV2AGsQFjAAegQIARAB&url=https%3A%2F%2Fprezi.com%2F13dfygk0xjni%2Fpresentation%2F&usg=AOvVaw1Wjwsol_T5Ikx_VINLaIWT
http://www.google.co.kr/url sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwjk6_ix4a3mAhUsL6YKHc1rCuAQFjAAegQIAhAB&url=http%3A%2F%2Fblog.naver.com%2FPostView.nhn%3FblogId%3Drozxwoongs%26logNo%3D221516640599%26categoryNo%3D85%26parentCategoryNo%3D0%26viewDate%3D%26currentPage%3D1%26postListTopCurrentPage%3D1%26from%3DpostView&usg=AOvVaw19_cTkPt2747wkzH92ib30
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참고해 보세요:)