HAMZAH, L. M. Skala Ekonomi Industri Kecil dan Menengah di Pulau Sumatra. Prosiding, [S. l.], v. 2, p. 133–138, 2019. Disponível em: https://ejournal.upbatam.ac.id/index.php/prosiding/article/view/1521. Acesso em: 3 jul. 2024.