HISTORY
저자: Ahmad Abdel Jaber
1. United States
1.1. history of the United States
1.2. the states
2. Types of graphs
2.1. circle graph
2.2. line graph
2.3. bar graph
3. assignments
3.1. graphing assignment
3.2. map of united states
3.3. map of Europe
4. Europe
4.1. history of europe
5. tests
5.1. united states
5.2. europe
5.3. graphs
