Winata, I. N. “ANALISIS EARLY WARNING SYSTEM BERDASARKAN TINGKAT PERMODALAN PERUSAHAAN ASURANSI”. Premium Insurance Business Journal, Vol. 7, no. 1, Dec. 2020, pp. 1 - 11, http://ejournal.stma-trisakti.ac.id/index.php/premium/article/view/3.