Urdziņa-Deruma, M.; Celmiņa-Ķeirāne, A.; Avotiņa, A.; Karlsone, I. A Diagnostic Analysis of Observational Sketching: Examples from the University of Latvia. ActPaed 2023, 50, 143-158. https://doi.org/10.15388/ActPaed.2023.50.9.