“THE PLEASANT ACTIVITIES IN THE LESSONS OF PHYSICAL EDUCATION: A CONTRIBUTORY IN THE EDUCATIONAL PROCESS, EMOTIONAL BALANCE AND SOCIAL INTEGRATION OF PRE-ADOLESCENTS WITH VIOLENT BEHAVIOR IN THE SCHOOL”. Fiep Bulletin - Online, vol. 78, no. 1, Sept. 2014, https://ojs.fiepbulletin.net/fiepbulletin/article/view/3552.