.Artiba, A., & .Elmaghraby, S. E. (1997). The planning and scheduling of production systems: Methodologies and applications. New York : Chapman & Hall.

.Artiba, A., and S. E. .Elmaghraby. The Planning and Scheduling of Production Systems: Methodologies and Applications. London: New York : Chapman & Hall, 1997.

.Artiba, A., and S. E. .Elmaghraby. The Planning and Scheduling of Production Systems: Methodologies and Applications. New York : Chapman & Hall, 1997.