RAJA, Togu Harlen Lbn; ., Sofiyan. Analysis of Production Sectors in Creating Main Sector in Regional Economy (Case Study: North Sumatra Province - Indonesia). Account and Financial Management Journal, [S. l.], v. 3, n. 01, p. 1285–1289, 2018. Disponível em: http://everant.org/index.php/afmjh/article/view/105. Acesso em: 13 may. 2024.