Authors: Haag, L Dann, HD

Citation: L. Haag et Hd. Dann, Successful group work - Necessary teachers' actions and thought processes, Z PADAGOG P, 15(1), 2001, pp. 5-15

Authors: Haag, L Furst, C Dann, HD

Citation: L. Haag et al., Successful teachers' classroom practicing of traditional group work, PSYCHOL ERZ, 47(4), 2000, pp. 266-279

Authors: Dann, HD Haag, L Diegritz, T

Citation: Hd. Dann et al., Group status and intragroup processes in small groups of students, GRUPPEND-Z, 31(3), 2000, pp. 339-356