| |
| 2008 | ||
|---|---|---|
| 6 | EE | Yasar Tonta, Yurdagül Ünal: Consortial Use of Electronic Journals in Turkish Universities. ELPUB 2008: 203-216 |
| 2007 | ||
| 5 | EE | Yasar Tonta, Yurdagül Ünal, Umut Al: The Research Impact of Open Access Journal Articles. ELPUB 2007: 321-330 |
| 2006 | ||
| 4 | EE | Yasar Tonta, Yurdagül Ünal: Impact of Electronic Journals on Document Delivery Services. ELPUB 2006: 329-338 |
| 3 | EE | Umut Al, Mustafa Sahiner, Yasar Tonta: Arts and humanities literature: Bibliometric characteristics of contributions by Turkish authors. JASIST 57(8): 1011-1022 (2006) |
| 2005 | ||
| 2 | EE | Yasar Tonta, Yurdagül Ünal: Scatter of journals and literature obsolescence reflected in document delivery requests. JASIST 56(1): 84-94 (2005) |
| 2002 | ||
| 1 | EE | Yiltan Bitirim, Yasar Tonta, Hayri Sever: Information Retrieval Effectiveness of Turkish Search Engines. ADVIS 2002: 93-103 |
| 1 | Umut Al | [3] [5] |
| 2 | Yiltan Bitirim | [1] |
| 3 | Mustafa Sahiner | [3] |
| 4 | Hayri Sever | [1] |
| 5 | Yurdagül Ünal | [2] [4] [5] [6] |