Zavarce Armas P. Optimism: Healthy Character Trait And Protective Factor. In: Happiness And Human Well-Being: Insights From Reflection, Research And Intervention In Latin America [Internet]. Colombia,CO: Sello Editorial UNAD; 2024 [cited 2026 Nov. 2]. pp. 27-51. (Social Sciences, Arts and Humanities). Available from: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/344/chapter/2023