| 其他書名 | Conference on Development Objectives and Strategy, University of Liberia, 27-29 October, 1969 : [paper] |
| 出版 | Republic of Liberia, Department of Planning & Economic Affairs, 1969 |
| URL | http://books.google.com.hk/books?id=poZGRJPltRcC&hl=&source=gbs_api |