فهرس المقالات interval-valued fuzzy sets حرية الوصول المقاله صفحة الملخص نص كامل 1 - An Assessment Method for Project Cash Flow under Interval-Valued Fuzzy Environment Vahid Mohagheghi SEYED meysam mousavi Behnam Vahdani 10.22094/joie.2017.278 حرية الوصول المقاله صفحة الملخص نص كامل 2 - A New Version of Earned Value Analysis for Mega Projects Under Interval-valued Fuzzy Environment N Moradi Seyed Meysam Mousavi Behnam Vahdani 10.22094/joie.2016.267