| 082 / 2 |
環境政策、煤及總體經濟 : 空氣品質管制對賓州衝擊 Enviremental policy, coal, and the macroeconomy : the impact of air quality regulations on the pennsylvania economy
|
|
2000-08-08 |
| 082 / 2 |
環境政策、煤及總體經濟 : 空氣品質管制對賓州衝擊 Enviremental policy, coal, and the macroeconomy : the impact of air quality regulations on the pennsylvania economy
|
|
2000-08-08 |