STRATEGI PENGEMBANGAN UMKM DI KOTA DUMAI DALAM MENGHADAPI PERSAINGAN PASAR DIGITAL. JSSR [Internet]. 2025 Aug. 28 [cited 2026 Oct. 31];8(3):3940-6. Available from: https://goretanpena.com/jurnal/index.php/JSSR/article/view/4115