Zondag A, Larsen AB, Guldal TM, van den Tillaar R. The influence of improvisation activities on speaking confidence of EFL student teachers. UP [Internett]. 17. august 2020 [sitert 23. april 2024];14(2):82-102. Tilgjengelig på: https://utdanningogpraksis.no/index.php/up/article/view/1879