List of Articles Social Network Analysis Open Access Article Abstract Page Full-Text 1 - A new local centrality measure for detecting community cores in social networks Jafar Sheikhzadeh bagher zarei Farhad Soleimanian Gharehchopogh Open Access Article Abstract Page Full-Text 2 - Enhanced Leach Algorithm for Opinion Leader Detection in Social Networks Using Centrality Metrics Yasser Elmi Sola Afsaneh Razghandi