GRAHAM, T. M. IS THE GLASS HALF FULL?. PINS-Psychology in Society, [S. l.], v. 39, n. 1, p. 70–74, 2025. DOI: 10.17159//2309-8708/2010/n39a11. Disponível em: https://www.journals.ac.za/pins/article/view/7181. Acesso em: 8 oct. 2025.