“ANALISIS RASIO SOLVABILITAS TERHADAP HARGA SAHAM PT GUDANG GARAM TBK. PERIODE 2018 – 2022”. Jurnal Optimal 20, no. 2 (November 28, 2023): 18–32. Accessed October 4, 2026. https://jurnal.stieieu.ac.id/index.php/opt/article/view/159.