• Development of a platform for nonformal education services : a Case study in the field of STEM in EstoniaRillo, Kristel; Lorenz, BirgyLearning and Collaboration Technologies : 12th International Conference, LCT 2025, Held as Part of the 27th HCI International Conference, HCII 2025 : Proceedings, Part I2025 / p. 371-383 https://doi.org/10.1007/978-3-031-93564-0_23