Transforming assessment for 250+ students per year: from paper exams to secure, scalable, and continuous digital evaluationRuberg, Priit; Lensen, Harri; Orasson, ElmetInnovation via Collaborative Learning in Engineering Education : Proceedings of the 28th International Conference on Interactive Collaborative Learning (ICL2025), Volume 12026 / p. 612-620 https://doi.org/10.1007/978-3-032-18888-5_59 Conference proceedings at Scopus Article at Scopus