Fuzzy earned value management using L-R fuzzy numbers. - Seyed Taha Hossein Mortaji; Morteza Bagherpour; Siamak Noori (J. Intell. Fuzzy Syst., 2013)

Directed earned value management based on ordered fuzzy numbers. - Seyed Taha Hossein Mortaji; Siamak Noori; Morteza Bagherpour (J. Intell. Fuzzy Syst., 2021)