Gunawan, Moch. Hoerul, Dzikri Abazis Subekti, Camelia Sofwan Al-Rasyid, Diki Ahmad, Ah. Khairul Wafa, and Muhamad Izazi Nurjaman. “An Analysis of Persib’s Early Bird Ticket Sales Practices: A Sharia Economic Law Perspective”. RIGGS: Journal of Artificial Intelligence and Digital Business 5, no. 1 (April 7, 2026): 11456–11464. Accessed July 31, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/7731.