Sinaga, Mahaitin H, dan Wico Jontarudi Tarigan. “THE DIFFERENCE BETWEEN THE ALTMAN Z-SCORE AND SPRINGATE MODELS IN ANALYZING THE BUSINESS SUSTAINABILITY OF PT. SRI REJEKI ISMAN TBK”. Jurnal Ilmiah Accusi 6, no. 2 (November 30, 2024): 220–236. Diakses November 1, 2025. https://jurnal.usi.ac.id/index.php/jia/article/view/679.