PERUBAHAN BISNIS UMKM DI MEDAN SUMATERA UTARA PADA ERA PENDEMI COVID-19. Jurnal Intelek Insan Cendikia, [S. l.], v. 2, n. 3, p. 5922–5930, 2025. Disponível em: https://jicnusantara.com/index.php/jiic/article/view/2885. Acesso em: 5 jun. 2026.