Errama, Mostafa, Mustapha Bassiri, Jafaar Atifi, and Said Lotfi. 2025. “Assessing the Efficiency of Reduced Positional Games in Soccer: A Multivariate Analysis of Technical and Tactical Indicators According to Different Playing Systems”. Physical Education Theory and Methodology 25 (3):625-32. https://doi.org/10.17309/tmfv.2025.3.19.