TitleAuthorPublication DatePublisherType
    The effect of temperature and relative humidity on survival of unfed hyalomma impeltatum (acarina: ixodidae)  Hagras, Ahmed E. E. [احمد الوزير هجرس]; Babiker, A. A.; Khalil, G. M.1991Qatar UniversityArticle
    Photoperiod and salinity effects on survival and some blood parameters in female Bufo regularis  Hagras, Ahmed E. E. [احمد الوزير هجرس]1986Qatar UniversityArticle