A fuzzy hybrid project portfolio selection method using Data Envelopment Analysis, TOPSIS and Integer Programming. - Madjid Tavana; Mehdi Keramatpour; Francisco J. Santos-Arteaga; Esmail Ghorbaniane (Expert Syst. Appl., 2015)

A bi-objective two-level newsvendor problem with discount policies and budget constraint. - Mehdi Keramatpour; Seyed Taghi Akhavan Niaki; Seyed Hamid Reza Pasandideh (Comput. Ind. Eng., 2018)

A fuzzy Delphi-SERVQUAL model using degree of belief structure for assessing customer satisfaction in automotive after-sales services. - Mojtaba Elahi; Ramin Enayati; Mehdi Keramatpour (Appl. Soft Comput., 2025)