Some Properties of Certain Multivalent Analytic Functions Involving the Cătas Operator. - Elsaied A. Elrifai; Hanan E. Darwish; Abdusalam R. Ahmed (Int. J. Math. Math. Sci., 2011)

On certain subclasses of meromorphic functions associated with certain differential operators. - Elsaied A. Elrifai; Hanan E. Darwish; Abdusalam R. Ahmed (Appl. Math. Lett., 2012)

On subclasses of n-p-valent prestarlike functions of order β and type γ. - Elsaied A. Elrifai; Hanan E. Darwish; Abdusalam R. Ahmed (Math. Comput. Model., 2013)