List of Articles oil company. Open Access Article Abstract Page Full-Text 1 - Identifying and categorizing challenges of Talent Retention: Application of Q Method mohammad amin batmani Hamid Reza Yazdani nazanin fareidon asl Open Access Article Abstract Page Full-Text 2 - Designing a model for evaluating the maturity of knowledge management based on the basic factors of knowledge management success Hamed Hosseinzadeh Nader Pahlavi mojtaba ramazani Abbas SANGI NOUR POUR