Maghbouli M, Pourhabib Yekta A, Zorriehhabib M. The Theory of Complex-valued Data Envelopment Analysis (DEA). Syst. Anal. [Internet]. 2024 Aug. 11 [cited 2024 Nov. 21];2(2):218-2. Available from: https://sa-journal.org/index.php/systemic/article/view/20