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