Research data bank of development indicators
| 企業作者: | |
|---|---|
| 格式: | 圖書 | 
| 語言: | English | 
| 出版: | Geneva
          United Nations Research Institute for Social Development
    
        1976. | 
| 叢編: | Report / United Nations Research Institute for Social Development
              no.76.1 | 
| 主題: |