Zaragas, Harilaos, Koutras Vasilios, Sakellariou Maria, and Kalliaras Lambros. “Aggression During Playful and Athletic Activity in the Greek Primary School”. Advances in Social Sciences Research Journal 8, no. 11 (December 4, 2021): 419–437. Accessed November 1, 2024. http://116.203.177.230/index.php/ASSRJ/article/view/11262.