Zavarce Armas P. Optimism: Healthy Character Trait And Protective Factor. Em: Happiness And Human Well-Being: Insights From Reflection, Research And Intervention In Latin America [Internet]. Colombia,CO: Sello Editorial UNAD; 2024 [citado 2 de novembro de 2026]. p. 27-51. (Ciências Sociais, Artes e Humanidades). Disponível em: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/344/chapter/2023