Jelen's Cost and Optimization Engineering

Microsoft Excel 2019 Pivot - Paperback, by Jelen Bill; Alexander - Very Good

Jelen's Cost and Optimization Engineering by Kenneth Humphreys: Used

Excel VBA and Macros with MrExcel LiveLessons (Video Training) - Jelen, Bill

JELEN'S COST AND OPTIMIZATION ENGINEERING By Kenneth King Humphreys - Hardcover

VBA and Macros for Microsoft Excel (Business Solutions)-Bill Jelen, Tracy Syrst

VBA and Macros for Microsoft Excel (Business Solutions) By Bill Jelen, Tracy Sy