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Proceedings of the regional symposium on insect resistance to insecticides, 11-13 May 1959, Cairo, U.A.R
- UNESCO. Middle East science cooperation office,
- 1960.
- Cairo :
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Proceedings of the UNESCO/FAO regional symposium on pulp and paper research and technology in the Middle East and North Africa, 10-14 December 1962, Beirut, Lebanon
- 859
- UNESCO. Middle East science cooperation office,
- 1963.
- Cairo :