Author = EL-Sayed, N.A.
Number of Articles: 2
Electromagnetic Effect on Vitality and Activity of Honey Bees in El- Beheira Governorate, Egypt

Volume 42, JANUARY- MARCH, January 2021, Pages 49-55

Mesbah, H.A.; A.K. Morad; N.A. EL-Sayed; M. E. Morsy; G.A. EL-Hamamy

Efficiency of Certain Natural Extracts and Antibiotics in Managing the American Foulbrood (AFB) of Honey Bees in Egypt

Volume 38, July-September, September 2017, Pages 384-388

Mesbah H.A.; N.A. EL-Sayed; M. E. Morsy; M.B. EL-Kady; S.I. Behiry; G.A. EL-Hamamy

Alexandria Science Exchange Journal

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