发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| USA | 161 |
| Canada | 12 |
| England | 3 |
| Australia | 2 |
| Finland | 2 |
| Ireland | 1 |
| Sweden | 1 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| UNIVERSITY OF NEBRASKA SYSTEM | 29 |
| UNIVERSITY OF NORTH DAKOTA GRAND FORKS | 5 |
| CTR GREAT PLAINS STUDIES | 4 |
| UNIVERSITY OF OKLAHOMA SYSTEM | 4 |
| BAYLOR UNIVERSITY | 3 |
| KANSAS STATE UNIVERSITY | 3 |
| TEXAS CHRISTIAN UNIVERSITY | 3 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 3 |
| UNIVERSITY OF LETHBRIDGE | 3 |
| UNIVERSITY OF WASHINGTON | 3 |