Jenny Ick, Florentin, and Lukas Tarigan Tarigan. 2018. “THE THE COMPARISON OF ALTMAN Z-SCORE MODEL, ZMIJEWSKI MODEL, SPRINGATE MODEL,: GROVER MODEL, TO PREDICT BANKRUPTCY MINING COMPANY IN BEI”. Fundamental Management Journal 3 (1), 44 - 53. http://ejournal.uki.ac.id/index.php/jm/article/view/720.