| |
| 2008 | ||
|---|---|---|
| 4 | EE | Yasar Tonta, Yurdagül Ünal: Consortial Use of Electronic Journals in Turkish Universities. ELPUB 2008: 203-216 |
| 2007 | ||
| 3 | EE | Yasar Tonta, Yurdagül Ünal, Umut Al: The Research Impact of Open Access Journal Articles. ELPUB 2007: 321-330 |
| 2006 | ||
| 2 | EE | Yasar Tonta, Yurdagül Ünal: Impact of Electronic Journals on Document Delivery Services. ELPUB 2006: 329-338 |
| 2005 | ||
| 1 | EE | Yasar Tonta, Yurdagül Ünal: Scatter of journals and literature obsolescence reflected in document delivery requests. JASIST 56(1): 84-94 (2005) |
| 1 | Umut Al | [3] |
| 2 | Yasar Tonta | [1] [2] [3] [4] |