ARRStanujkić, DragišaZavadskas, Edmundas KazimierasSifeng, LiuKarabašević, DarjanPopović, Gabrijela2023-12-252023-12-2520170957-3720https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/172enImproved OCRA method based on the use of interval grey numbersarticle