D. Klein · D.R. Klein · David Klein · David R. · R.K. · R. Klein
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| General Chemistry I as a Second Language: Mastering the Fundamental Skills | 978-0-471-71662-4 | 2005 |
| Organic Chemistry as a Second Language | 978-0-470-12929-6 | 2007 |
| Organic Chemistry I as a Second Language: Translating the Basic Concepts | 978-0-471-27235-9 | 2003 |
| Organic Chemistry II as a Second Language: Second Semester Topics | 978-0-471-73808-4 | 2005 |