Department of Computer Sciences, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon;
Department of Mathematics, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon;
Regional Bureau for Education in Africa, Pole de Dakar, UNESCO, Dakar, Senegal;
Bilevel; Multiobjective; Optimization; Multiobjective; Optimization; Sufficient; Optimality; Condition; Strict; Convexity; Pseudoconvexity; Quasiconvexity;