TIANA SEPTIYANI; RYAN ELFAHMI. Pengaruh Cash Ratio (CR) Dan Debt To Asset Ratio (DAR) Terhadap Gross Profit Margin (GPM) Pada PT Pertamina (Persero) Periode 2013 – 2023. JURNAL ILMIAH EKONOMI, MANAJEMEN, BISNIS DAN AKUNTANSI, [S. l.], v. 3, n. 1, p. 771–782, 2026. DOI: 10.61722/jemba.v3i1.2147. Disponível em: https://ejurnal.kampusakademik.my.id/index.php/jemba/article/view/2147. Acesso em: 1 feb. 2026.