I GEDE ETIKA ARI WIBAWA. USABILITY TESTING OF THE IFS PRO ANDROID MOBILE APPLICATION FOR CRYPTOCURRENCY TRADING SIGNAL FORECASTING USING THE CONCURRENT THINK-ALOUD (CTA) TECHNIQUE AND PERFORMANCE MEASUREMENT. Multidiciplinary Output Research For Actual and International Issue (MORFAI), [S. l.], v. 6, n. 3, p. 4217–4224, 2026. DOI: 10.5281/zenodo.20984295. Disponível em: https://radjapublika.com/index.php/MORFAI/article/view/5225. Acesso em: 18 aug. 2026.