Rizieq, H., Prayogi, S. A. and Muda, I. (2025) “The Role of Concession Agreements in Regional Economic Development: A Case Study of Binjai Regency”, EKALAYA : Jurnal Ekonomi Akuntansi, 3(4), pp. 340–347. doi: 10.59966/ekalaya.v3i4.2139.