- $6.99Attacking Problems in Logarithms and Exponential Functions (Dover Books on Mathematics)Amazon
- $8.95Attacking Problems in Logarithms and Exponential Functions (Dover Books on Mathematics)Amazon
- $9.99A SIMPLE APPROACH TO LOGARITHM: The Easy-to-understand Guide and Practice workbook with Exercises and Related Solutions on Rules of Logarithm, ... Exponential Functions and RootsAmazon