PUCAR, Đorđe. Selection of optimal central processing unit using the PSI method . Ekonomija - teorija i praksa, [S. l.], v. 16, n. 4, p. 54–66, 2023. Disponível em: https://casopis.fimek.edu.rs/index.php/etp/article/view/232. Acesso em: 17 jan. 2026.