Straight thinking (How to use Excel Solver for linear programming). (2001)
Journal Article
Steven, G. (2001). Straight thinking (How to use Excel Solver for linear programming). CIMA insider, 26-27

Material mix and yield variances: a piece of cake? (2001)
Journal Article
Steven, G. (2001). Material mix and yield variances: a piece of cake?. CIMA insider, 26-27