Tüfekçi, Şakir, Hulusi Böke, and Oğuzhan Altungül. 2021. “Examination of Nutritional Knowledge Levels of Physical Education and Sports Stakeholders in Gender Variable: A Systematic Review and Meta-Analysis”. Physical Education of Students 25 (5), 299-306. https://doi.org/10.15561/20755279.2021.0506.