List of Articles gray theory Open Access Article Abstract Page Full-Text 1 - Ranking of Human Resources Empowerment Method Based on GREY THEORY Majid Iravani Manochehr Omidvari Open Access Article Abstract Page Full-Text 2 - Adjustment of Audit Expectation Gap based on Human Resources Strategies through the Rough and Gray Theory Hasan Valiyan Mohammadreza Abdoli Mehran Orooyee Open Access Article Abstract Page Full-Text 3 - Comparison of Selected Performance of Portfolio Investment Companies by Using of Grey Forecasting and Johnson’s Index in Tehran Stock Exchange Market Rahmatollah Mohammadi pour Zhaleh Alavimoghadam Adel Fatemi 10.22034/amfa.2016.527813 Open Access Article Abstract Page Full-Text 4 - Evaluating the Effectiveness of Tehran Hospitals in Attracting Medical Tourists through Grey Relational Analysis ebtehal zandi Mohanna Nikbin Open Access Article Abstract Page Full-Text 5 - Organizational Sustainable Competitive Advantage using ORESTE, TRIZ, SWOT Approaches in Gray Conditions Dorna Teimoory Alireza Alinezhad Open Access Article Abstract Page Full-Text 6 - Evaluating corporate Risk Management using entropy weight and grey relation analysis Frydoon Rahnamay Roodposhti mohammad norouzi hady aminy Farhad Azizi