STUDYING THE EVOLUTION OF SOCIALITY INDEX TO SECONDARY SCHOOLS CLASSES WITH THE ESPECIALLY FOOTBALL PROGRAM, AT THE SCHOOL SPORTS CLUB FOOTBALL GICĂ POPESCU. GYMNASIUM, [S. l.], v. 10, n. 2, 2010. Disponível em: https://gymnasium.ub.ro/index.php/journal/article/view/449. Acesso em: 13 mar. 2025.