Hajiagha, Seyed H. R., Shide S. Hashemi, Yousef Mohammadi, and Kazimieras Zavadskas. 2016. “Fuzzy Belief Structure Based VIKOR Method: An Application for Ranking Delay Causes of Tehran Metro System by FMEA Criteria”. Transport 31 (1):108–118. https://doi.org/10.3846/16484142.2016.1133454.