发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 29 |
| Ghana | 21 |
| South Africa | 20 |
| Canada | 10 |
| Nigeria | 9 |
| GERMANY (FED REP GER) | 8 |
| England | 6 |
| Botswana | 3 |
| Ethiopia | 3 |
| Finland | 3 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF JOHANNESBURG | 10 |
| KWAME NKRUMAH UNIVERSITY SCIENCE & TECH... | 6 |
| UNIVERSITY OF GHANA | 5 |
| WESTERN UNIVERSITY (UNIVERSITY OF WESTE... | 5 |
| MIAMI UNIVERSITY | 4 |
| UNIVERSITY OF WITWATERSRAND | 4 |
| FED UNIV TECHNOL AKURE | 3 |
| UNIVERSITY OF BOTSWANA | 3 |
| UNIVERSITY OF IBADAN | 3 |
| UNIVERSITY OF OULU | 3 |