Building a Training Program in the development of the Willpower of the Kindergarten Children. Journal Of Educational and Psychological Researches, [S. l.], v. 19, n. 73, p. 613–590, 2023. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/1543. Acesso em: 3 may. 2025.