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Saïd Abbas
Department of Mathematics,
University of Saïda–Dr. Moulay TaharSaïda, Algeria
Mouffak Benchohra
Laboratory of Mathematics,
Djillali Liabes University of Sidi Bel-AbbèsAlgeria
Erdal Karapınar
(1) Division of Applied Mathematics
Thu Dau Mot University,
Department of Mathematics,
Çankaya University,
Department of Medical Research,
China Medical University Hospital, China Medical UniversityAnkara,Taichung