Lõhmus, E., H. Narits, and K. Ugur. “Lecturer’s and assistant’s Views on Collaborative Teaching at the University”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, vol. 7, no. 2, Nov. 2019, pp. 209-33, doi:10.12697/eha.2019.7.2.09.