| |||
| 工效研究 | |||
| 工作研究 (包括:方法研究 (method study), 工作 (work measurement)) | |||
| 工时分析 | |||
| 工作研究 | |||
| 工作效率研究 | |||
| 作业研究; 操作研究 | |||
| |||
| 工作研究; 效率研究 | |||
| 勤工助学 | |||
|
work study : 19 phrases in 9 subjects |
| Aviation | 2 |
| Business | 3 |
| China | 3 |
| Corporate governance | 2 |
| Ecology | 1 |
| Economics | 2 |
| International trade | 3 |
| Management | 2 |
| Scientific | 1 |