Natural resources of developing countries : Investigation,Development and rational Utilization
Natural resources of developing countries : Investigation,Development and rational Utilization
United Nations
- New York UNESA , 1970.
- 174p
Report of the Advisory Committee on the Application of Science and Technology to Development
333.7091724 NAT.L0
Report of the Advisory Committee on the Application of Science and Technology to Development
333.7091724 NAT.L0