| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| PBL in the Elementary Grades | 978-O-974O343-1-7 (O-974O343-1-2) | 2011 | Sara Hallermann · John Larmer |
J.M. · J R · John M. · John Mergendoller · John R. · John R. M. · PhD John R. Mergendoller · R. M.