MARPAUNG, B. S.; SUKADI, J. Studi Pengukuran Kemampulabaan Perusahaan Sektor Perdagangan, Jasa Dan Investasi. Jurnal Ilmiah Manajemen Kesatuan, [S. l.], v. 4, n. 3, p. Page 131 – 143, 2018. Disponível em: https://jurnal.ibik.ac.id/index.php/jimkes/article/view/104. Acesso em: 4 may. 2024.