El-Sawy, A. A., and T. H. M. Abou-El-Enien,
"An Algorithm for Decomposing the Parametric Space in Large Scale Linear Vector Optimization Problems",
Annual Conference on Statistics, Computer Sciences and Operations Research , ISSR,Cairo University, Giza, Egypt, 4DEc, 1999.
Abou-El-Enien, T. H. M., and M. A. Abo–Sinna,
"Extension of TOPSIS for Large Scale Multiple Objective Decision Making Problems under Fuzzy environment",
the Second International Conference on Informatics and Systems, "INFOS 2004", Cairo University, Giza, Egyp, 7 March, 2004.
El-Sawy, A. A., N.A.El-Khouly, and T. H. M. Abou-El-Enien,
"On Parametric Large Scale Linear Programming Problems",
Annual Conference on Statistics, Computer Sciences and Operations Research , ISSR, Cairo University, Giza, Egypt, 4 Nov., 1998.