PATTY, M. R. Gross Profit Margin dan Debt to Equity Ratio: Implikasi terhadap Profitabilitas (ROA) Perusahaan Subsektor Makanan dan Minuman di BEI. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 3, p. 4358–4368, 2025. DOI: 10.31004/riggs.v4i3.2638. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/2638. Acesso em: 8 may. 2026.