KARATUT, A.; TAPŞIN, F. O. .; ÇAKMAK, G.; SELVİ, S.; TAPŞIN, F. O. Examining the Problem Solving Skills and Assertiveness Characteristics of Physical Education Teachers Working in Secondary and High Schools According to Certain Variables. Progr Nutr 2022, 23 (4), e2021184. https://doi.org/10.23751/pn.v23i4.11399.