The increase in the rate of publications originating from Turkey. - Ersin Yurtsever; Sami Gülgöz (Scientometrics, 1999)

Turkey's output in social science publications: 1970-1999. - Sami Gülgöz; Ömer A. Yedekçioglu; Ersin Yurtsever (Scientometrics, 2002)