Improving and measuring learning effectiveness at cyber defense exercisesMaennel, Kaie; Ottis, Rain; Maennel, Olaf ManuelSecure IT Systems : 22nd Nordic Conference, NordSec 2017, Tartu, Estonia, November 8-10, 2017 : proceedings2017 / p. 123-138 : ill https://doi.org/10.1007/978-3-319-70290-2_8 Conference proceedings at Scopus Article at Scopus Article at WOS