Kadijevic Djordje M,Gutvajn Nikoleta,Ljubojevic Danijela D (2023) Fostering twenty-first century digital skills by the means of educational platforms in the times of COVID-19, INTERACTIVE LEARNING ENVIRONMENTS, vol. , br. , str. - (Article; Early Access) Kadijevic Djordje M,Ljubojevic Danijela D,Gutvajn Nikoleta (2022) What Kind of E-assessment Feedback Is Important to Students? An Empirical Study, DIGITAL TRANSFORMATION OF EDUCATION AND LEARNING - PAST, PRESENT AND FUTURE, OCCE 2021, vol. 642, br. , str. 261-273 (Proceedings Paper) Raspopovic Miroslava,Cvetanovic Svetlana,Medan Ivana,Ljubojevic Danijela D (2017) The Effects of Integrating Social Learning Environment with Online Learning, INTERNATIONAL REVIEW OF RESEARCH IN OPEN AND DISTRIBUTED LEARNING, vol. 18, br. , str. 141-159 (Article)