Optimality conditions for MPECs in terms of directional upper convexifactors. - Nazih Abderrazzak Gadhi; Mohamed Ohda (RAIRO Oper. Res., 2022)

On interval-valued bilevel optimization problems using upper convexificators. - Stephan Dempe; Nazih Abderrazzak Gadhi; Mohamed Ohda (RAIRO Oper. Res., 2023)

Sufficient Optimality Conditions for a Robust Multiobjective Problem. - Nazih Abderrazzak Gadhi; Mohamed Ohda (Asia Pac. J. Oper. Res., 2023)