STUDY OF THE CONCEPT OF ENVY BETWEEN CHILDREN AND SISTERS IN SINGLE AND MULTILEGE FAMILIES. International journal of artificial intelligence, [S. l.], v. 5, n. 12, p. 1604–1606, 2025. Disponível em: https://www.academicpublishers.org/journals/index.php/ijai/article/view/8988.. Acesso em: 22 dec. 2025.