1. M. Raïssouli: A new Functional Transformation in the sense of Convex Analysis and its Applications. Colloq of Numerical Analysis and Optimization (CNAO), 1998, K´enitra, Morocco.
2. A. El Biari, R.Ellaia, M.Raïssouli: Differentiability of the Geometric Mean of Convex Functionals, CNAO, 1998, K´enitra, Morocco.
3. M. Raïssouli, J.Oudaani: Theoretical and Numerical Studies of VonKarman Equations. Colloq of Nonlinear Analysis (CNLA), 1999, Marrakech, Morocco.
4. A. El Biari, R.Ellaia, M.Raïssouli: Geometric Mean of Set-Valued Operators, Applications to Sub-Differential. CNLA, 1999, Marrakech, Morocco.
5. M. Raïssouli, N.Ouakkasse: Convergence of Sobolev Spaces and Applications. CNAO, 2000, Casa, Morocco.
6. M. Raïssouli, J.Oudaani: On the Saint-Venant problem in nonlinear elasticity with Dirichlet and Neuman conditions. National Conference in Nonlinear Problems, 2002, Errachidia, Morocco.
7. M. Raïssouli, H.Bouziane: Functional Logarithm in Convex Analysis. CNAO, 2002, Tanger, Morocco.
8. M. Raïssouli, F.Leazizi: Continued Fraction Expansion of Geometric Mean of two Positive Matrices. CNAO, 2002, Tanger, Morocco.
9. M. Raïssouli, J.Oudaani: On a Saint-Venant Mixed Problem in Nonlinear Elasticity. CNAO, 2002, Tanger, Morocco.
10. M. Raïssouli: Operator Means and their Applications, National Conference of Algebra and Algebraic Number Theory, 2003, Errachidia, Morocco.
11. M. Raïssouli, M.Chergui: Arithmetico-Harmonic Mean of several Positive Operators. International Conference of Linear Operators, 2008, Settat, Morocco.
12. M. Raïssouli: Invitation to Functional Mean Theory, Conference of Cryptography, Operational Research and Statistics, 2009, Kenitra, Morocco.
13. R. Zine, K. El Yassini and M. Raïssouli : Operation of supply networks of gas stations, Conference of Cryptography, Operational Research and Statistics, 2009, K´enitra, Morocco.
14. R. Zine, K. El Yassini and M. Raïssouli : The logistics of supplying gas stations, 1st Symposium of Modelling and Information Processing. 2009, Tetouan, Morocco.
15. R. Zine, K. El Yassini and M. Raïssouli : Solving approaches to the supply networks of gas stations, 5th International Conference on Operational Research, 2010, Marrakech, Morocco.
16. K. El Yassini, R. Zine et M. Raïssouli: Heuristic optimization methods for solving the problem of the network electricity distribution planning, 5th Conference on Trends in Applied Mathematics in Tunisia-Algeria-Morocco, 2011, Sousse, Tunisia