EPortfolio Maturity Framework. - Igor Balaban; Serge Ravet; Aleksandra Sobodic (ICL (2), 2018)

Analysis of correlations between indicators influencing successful deployment of ePortfolios. - Igor Balaban; Kristian Stancin; Aleksandra Sobodic (MIPRO, 2018)

Usability Metrics for Gamified E-learning Course: A Multilevel Approach. - Aleksandra Sobodic; Igor Balaban; Dragutin Kermek (Int. J. Emerg. Technol. Learn., 2018)

Interplay Between Usability and Information System Continuance: An Extended Model. - Aleksandra Sobodic; Igor Balaban (AHFE (21), 2019)

Usability Testing of a Digital Competence Assessment and Certification System. - Aleksandra Sobodic; Igor Balaban (HCI (25), 2020)

The impact of usability factors on continuance intention to use the system for acquisition and evaluation of digital competences in the domain of education ; Utjecaj čimbenika upotrebljivosti na namjeru ponovnog korištenja sustava za stjecanje i vrjednovanje digitalnih kompetencija u domeni obrazovanja. - Aleksandra Sobodic (2021)