Khoiriyah, Nur Faizah, and Girindra Mega Paksi. “The Relationship Between Donations and Individual Happiness: An Analysis of Prosocial Spending Effects Among Muslims in Indonesia”. Economica: Jurnal Ekonomi Islam, vol. 15, no. 1, June 2024, pp. 109-33, doi:10.21580/economica.2024.15.1.22974.