Franssen F, Hamaker C, Hout-Wolters van B, Hout van J, Reints A, Roede E, et al. Het congres van de American Educational Research Association (AERA) te Los Angeles. Pedagog. Stud. [Internet]. 1981 Jan. 1 [cited 2025 Oct. 28];58(5). Available from: https://pedagogischestudien.nl/article/view/16058