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Manpower and training requirements for the development of petroleum industry in Africa in the 1970s / Economic commission for Africa.
- 86
- United Nations. Economic and social council,
- 1973.
- [New York] :
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Tunisia : the development of the petroleum industry / prep. by the secretariat of the Economic commission for Africa.
- 861.4
- United Nations. Economic and social council,
- 1973.
- [New York] :
-
Libya : the development of the petroleum industry / prep. by the secretariat of the Economic commission for Africa.
- 861.5
- United Nations. Economic and social council,
- 1973.
- [New York] :
-
Morocco : the development of the petroleum industry / prep. by the secretariat of the Economic commission for Africa.
- 861.1
- United Nations. Economic and social council,
- 1973.
- [New York] :