Associate Professor of Mathematical Analysis (University of Almería)

Atılım University

Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade

Faculty of Mechanical Engineering University of Belgrade, Serbia

Umm Al Qura University, Jamoum University College, Assistant Prof of Mathematics, Assiut …

Professor of Mathematics, SUNY at Albany

Distinguished Professor and AG & ME Chair of Mathematics, Texas A&M University

Professor, Department of Mathematics, King Abdulaziz University

Professor of Mathematics, UiT The Artic University of Norway

Universidad Complutense de Madrid