| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ecocultural Perspectives: Literature and Language | 978-0-692-49145-4 (0-692-49145-7) | 2015 | Nol Alembong · Eunice F. Fombele (Eds) |
| Literature and Language: Interdisciplinary Perspectives | 978-0-692-24868-3 (0-692-24868-4) | 2014 | Kashim Ibrahim Tala · Hans M. Fonka |