ARRAmelio, AlessiaDraganov, IvoJanković, RadmilaTanikić, Dejan2023-12-252023-12-2520192078-248910.3390/info10070221https://www.mdpi.com/2078-2489/10/7/221/htmhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/398enAnalysis of Usability for the Dice CAPTCHAarticle