Pham Bao Nhu and Huynh Kim Nguyen 2025. The Relationship between Gratitude and Prosocial Behavior among High School Students in Da Nang: The Mediating Role of Meaning in Life. RA Journal of Applied Research. 11, 10 (Oct. 2025), 909–921. DOI:https://doi.org/10.47191/rajar/v11i10.11.