A biological study on the problems of aquatic weeds that threaten the irrigation and drainage canals in Egypt and how to make benefit of them

Citation:
Migahid, A. M., G. M. Fahmy, and others, "A biological study on the problems of aquatic weeds that threaten the irrigation and drainage canals in Egypt and how to make benefit of them", Egyptian Academy of Science and Technology, Project Number 121. Research Report Number 1. 88 pages + Appendix of 4 maps, 10 figures and 42 coloured photos, 1994.