Linawati, Linawati, and Lilik Purwanti. “Koin NU: A Local Tradition Based Philanthropy Model”. International Journal of Business and Quality Research 3, no. 04 (November 17, 2025): 245-256. Accessed November 4, 2026. https://e-journal.citakonsultindo.or.id/index.php/IJBQR/article/view/2519.