LAURA SILABAN, G.; ROMAULI LUMBAN TOBING, E. .; RUKMANA SARI, I. . EFFECT OF CR, DER AND NPM ON CHANGES IN PROFITS IN COAL COMPANIES, PETROLEUM AND GAS. Jurnal Ipteks Terapan, [S. l.], v. 16, n. 2, p. 220–228, 2022. DOI: 10.22216/jit.v%vi%i.1085. Disponível em: http://publikasi.lldikti10.id/index.php/jit/article/view/1085. Acesso em: 19 may. 2024.