Ritha, Henny. “PENGARUH PERTUMBUHAN PREMI, HASIL UNDERWRITING DAN RISK BASED CAPITAL TERHADAP PROFITABILITAS PT ASURANSI RAMAYANA Tbk. 2011-2020”. Jurnal Ekonomi Bisnis Manajemen Prima 4, no. 2 (February 4, 2023): 36–47. Accessed April 3, 2026. http://139.162.50.187/index.php/JEBIM/article/view/3325.