Inference of Cooperative Play on the Predictive Factors of Aggressiveness in Fifth-Grade Primary School Students at the Normal Superior Educational Institution in the Municipality of Pamplona (Norte de Santander). ACTIVIDAD FÍSICA Y DESARROLLO HUMANO, [S. l.], v. 7, n. 1, p. 1–12, 2015. DOI: 10.24054/afdh.v7i1.1647. Disponível em: https://ojs.unipamplona.edu.co/index.php/afdh/article/view/1647. Acesso em: 7 dec. 2025.