by Mazen, Mohamed, El-Sheikh, Mohamed M. A., Euat Tallah, Samah, Ismail, Gamal A. F.
Published in Mathematics (Basel) (01.04.2024)

by Refaai, D. A., El-Sheikh, M. M. A., Ismail, Gamal A. F., Abdalla, Bahaaeldin, Abdeljawad, Thabet
Published in Advances in difference equations (30.10.2021)

by Refaai, D. A., El-Sheikh, M. M. A., Ismail, Gamal A. F., Zakarya, Mohammed, AlNemer, Ghada, Rezk, Haytham M.
Published in Symmetry (Basel) (01.08.2022)

by El-Deeb, A. A., Kh, Fatma M., Ismail, Gamal A. F., Khan, Zareen A.
Published in Advances in difference equations (11.09.2019)

by ISMAIL, Gamal A. F
Published in Applied mathematical modelling (01.05.2005)