The education and employment of children a comparative study of San Salvador and Khartoum
| 第一著者: | |
|---|---|
| フォーマット: | 図書 | 
| 言語: | English | 
| 出版事項: | Geneva
          International Labour Office
    
        1976. | 
| シリーズ: | Working paper / World employment programme research.  Population and employment
              no.33 | 
| 主題: |