HAWASHIN, Mufid. The effect of Token Reinforcement for the Competing Sub-Groups in reducing The Unaware Behavior During Classes ’ for a 3rd Primary Class Sample. Al-Balqa Journal for Research and Studies, [S. l.], v. 10, n. 2, p. 11–46, 2004. Disponível em: https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/368.. Acesso em: 10 oct. 2026.