El-Sayed, M., El-Sayed, H., Ibrahim, R. (2019). PSYCHOLOGICAL AND SOCIAL VARIABLES AND THEIR RELATION TO THE YOUTHFUL PRACTICE OF SPORT - FIELD STUDY ON A SAMPLE OF YOUNG PEOPLE IN DIFFERENT ENVIRONMENTS. test, 47(3), 211-235. doi: 10.21608/jes.2019.158129
Mohammed A. El-Sayed; Hoda A. El-Sayed; Reem A. Ibrahim. "PSYCHOLOGICAL AND SOCIAL VARIABLES AND THEIR RELATION TO THE YOUTHFUL PRACTICE OF SPORT - FIELD STUDY ON A SAMPLE OF YOUNG PEOPLE IN DIFFERENT ENVIRONMENTS". test, 47, 3, 2019, 211-235. doi: 10.21608/jes.2019.158129
El-Sayed, M., El-Sayed, H., Ibrahim, R. (2019). 'PSYCHOLOGICAL AND SOCIAL VARIABLES AND THEIR RELATION TO THE YOUTHFUL PRACTICE OF SPORT - FIELD STUDY ON A SAMPLE OF YOUNG PEOPLE IN DIFFERENT ENVIRONMENTS', test, 47(3), pp. 211-235. doi: 10.21608/jes.2019.158129
El-Sayed, M., El-Sayed, H., Ibrahim, R. PSYCHOLOGICAL AND SOCIAL VARIABLES AND THEIR RELATION TO THE YOUTHFUL PRACTICE OF SPORT - FIELD STUDY ON A SAMPLE OF YOUNG PEOPLE IN DIFFERENT ENVIRONMENTS. test, 2019; 47(3): 211-235. doi: 10.21608/jes.2019.158129