TY  - BOOK
AU  - Evon Abdalla Osman khalil, 
AU  - I. Ismail
AU  - M.A.Ali
AU  - S. swailem
TI  - Survey And Population Studies Of Insects Attacking Citrus Trees And Its Control In QUalyobia And Beni - Sweaf Governorates / 
PY  - 1996///
KW  - Economic Entomology
N1  - Thesis (M.Sc.)-Cairo University, 1996.; Bibliography: pages 177-198.
ER  -