This research was intended to comparatively investigate the currency, disappearance and half-life of URLs of web resources cited in Iranian researchers’ articles indexed in ISI in information science, psychology and management from 2009 to 2011. The research method was citation analysis. The statistical population of this research was all articles by Iranian researchers in psychology, information science and management from 2009 to 2011 which were indexed in SSCI. In order to extract bibliographic information of articles, ISI database was searched and the titles of the articles were extracted. After investigating the currency and disappearance of cited URLs and calculating the half-life of web resources, collected data were analyzed in accordance with research questions by means of Excel Software...