There are 2 books by Garrett J. Etgen on BookOrb. A strong starting point is College Mathematics with Technology (1997). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Garrett J. Etgen written?
BookOrb lists 2 books by Garrett J. Etgen.
Where should I start with Garrett J. Etgen?
A good starting point is College Mathematics with Technology (1997).
What is the Garrett J. Etgen books in order list?
In publication order: 1. Applied Math for Business, Economics, Life Sciences and Social Sciences (1991), 2. College Mathematics with Technology (1997).