| Type |  Book |
| ชื่อเรื่อง | Information requirements for development planning in developing countries : proceedings of the workshop / edited by W.H. de Man, A.D.J. Schaap |
| พิมพลักษณ์ | Enschede, Netherlands : International Institute for Aerial Survey and Earth Sciences, [1980?] |
| รูปเล่ม | ii, 195 p. : ill. ; 22 cm |
| หัวเรื่อง | Economic development --Informantion services --Developing countries --Congresses [] |
| | Natural resources --Informantion services --Developing countries --Congresses [] |