Which knowledge is required in exams on analysis 1 courses at German universities?
T. Kolbe, M. Liebendörfer, Teaching Mathematics and Its Applications: An International Journal of the IMA (2024).

Increasing the effect of a remedial mathematics course by switching to an online format during the COVID-19 crisis: evidence from a German university
S. Büchele, M. Liebendörfer, E. Lankeit, Teaching Mathematics and Its Applications: An International Journal of the IMA 40 (2021) 478–496.

University students’ fully digital study of mathematics: an identification of student-groups via their resources usage and a characterization by personal and affective characteristics
L. Kempen, M. Liebendörfer, Teaching Mathematics and Its Applications: An International Journal of the IMA 40 (2021) 436–454.

Mathematics learning support centres in Germany—an overview
M. Schürmann, L. Gildehaus, M. Liebendörfer, N. Schaper, R. Biehler, R. Hochmuth, C. Kuklinski, E. Lankeit, Teaching Mathematics and Its Applications: An International Journal of the IMA 40 (2020) 99–113.