1.
Bernabé-Valero G, García-Alandete J, Gallego-Pérez JF. Construction of a gratitude questionnaire: The Gratitude Question-naire–20 Items (G-20). An. psicol. [Internet]. 2013 Dec. 23 [cited 2026 Apr. 7];30(1):278-86. Available from: https://revistas.um.es/analesps/article/view/analesps.30.1.135511