Ridwan MY, Fairuz K, Dwi F. Analysis of the Potential of Billboard Waqf Product Development in Yogyakarta City. JIES [Internet]. 2021 Jan. 9 [cited 2025 Jan. 31];1(2):197-208. Available from: https://ejournal.uin-suka.ac.id/febi/JIES/article/view/1278