其他書名 | Report Submitted to the Economic and Social Council by the Secretary-General of the United Nations and the Director-General of UNESCO Covering the Period 1950-52 |
出版 | Department of Public Information, 1952 |
URL | http://books.google.com.hk/books?id=JgQhg_DlwGkC&hl=&source=gbs_api |