HASNI, .; MANULANG, Hiras. PERANAN SEKTOR BAJA DALAM PEREKONOMIAN INDONESIA. Buletin Ilmiah Litbang Perdagangan, [S. l.], v. 5, n. 1, p. 22–46, 2011. Disponível em: https://jurnal.kemendag.go.id/index.php/bilp/article/view/119. Acesso em: 27 apr. 2025.