Fadlan A, Pratama A. The Analysis of Tilapia Exports on Regional Original Revenue (ROR) of Dairi Regency, North Sumatra. LEJEA [Internet]. 2023 Dec. 24 [cited 2026 Apr. 30];2(3):114-2. Available from: https://internationalpublisher.id/journal/index.php/Lejea/article/view/156