Wirawijaya, I. (2022) “Teori Barang Publik Yang Sulit Diimplementasikan”, Jurnal Al Mujaddid Humaniora, 7(2), pp. 106-110. Available at: https://www.e-jurnal.iims.ac.id/index.php/JALHu/article/view/109 (Accessed: 26January2026).