The State of the Art in Fuzzy Data Envelopment Analysis.- Imprecise Data Envelopment Analysis: Concepts, Methods, and Interpretations.- A General Framework of Dealing with Qualitative Data in DEA - A Fuzzy Number Approach.- Fuzzy Data Envelopment Analysis in Composite Indicator Construction.- Cross-efficiency in Fuzzy Data Envelopment Analysis.- Fuzzy Mix-efficiency in Fuzzy Data Envelopment Analysis and its Applications.- Ranking of Fuzzy Efficiency Measures Via Satisfaction Degree.- Inexact discretionary inputs in Data Envelopment Analysis.- Network Data Envelopment Analysis with Fuzzy Data.- Network Fuzzy Data Envelopment Analysis.- An application of Fuzzy Data Envelopment Analysis Approach for Occupational Safety.- Integrating Fuzzy Intermediate Factors in Supply Chain Efficiency Evaluation.- Supplier Evaluation and Selection Using FDEA Model.- Supplier Performance Evaluation Using a Hybrid Fuzzy Data Envelopment Analysis Approach.