Judy, W. H., & Jackobs, J. A. (1981). Irrigated Soybean Production in Arid and Semi-Arid Regions, 31 August - 6 September 1979, Cairo (sponsored by the Egyptian Ministry of Agriculture, Menoufeia University and the in collaboration with the Food and Agriculture Organization of the United Nations (FAO) and the U.S. Agency for International Development. 260 _a[Urbana].). Illinois: International Agriculture Publications, College of Agriculture, University of Illinois at Urbana-Champaign.

Judy, William H., and Joseph Alden Jackobs. Irrigated Soybean Production in Arid and Semi-Arid Regions, 31 August - 6 September 1979, Cairo. sponsored by the Egyptian Ministry of Agriculture, Menoufeia University and the in collaboration with the Food and Agriculture Organization of the United Nations (FAO) and the U.S. Agency for International Development. 260 _a[Urbana]. Illinois: International Agriculture Publications, College of Agriculture, University of Illinois at Urbana-Champaign, 1981.

Judy, William H., and Joseph Alden Jackobs. Irrigated Soybean Production in Arid and Semi-Arid Regions, 31 August - 6 September 1979, Cairo. sponsored by the Egyptian Ministry of Agriculture, Menoufeia University and the in collaboration with the Food and Agriculture Organization of the United Nations (FAO) and the U.S. Agency for International Development. 260 _a[Urbana]. Illinois: International Agriculture Publications, College of Agriculture, University of Illinois at Urbana-Champaign, 1981.