ASAAD, M.; SITEPU, R. K.-K. AN ANALYSIS OF MANUFACTURING MARKET STRUCTURE IN NORTH SUMATRA PROVINCE. Economic Journal of Emerging Markets, [S. l.], v. 3, n. 3, p. 261–274, 2013. DOI: 10.20885/ejem.v3i3.2978. Disponível em: https://jurnal.uii.ac.id/JEP/article/view/2978. Acesso em: 3 may. 2024.