List of Articles interval-valued fuzzy sets Open Access Article Abstract Page Full-Text 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 Open Access Article Abstract Page Full-Text 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