Deluca, Victoria, Carlos Eduardo Loureiro Xavier, Marina Bittelbrunn Severo, Nicolas de Oliveira Cardoso, María Gloria Bernabé Valero, and Irani Iracema de Lima Argimon. 2024. “Instruments to Measure Gratitude: A Systematic Review ”. Psico 55 (1):e40863. https://doi.org/10.15448/1980-8623.2024.1.40863.