Ritha, Henny. “PENGARUH PERTUMBUHAN PREMI, HASIL UNDERWRITING DAN RISK BASED CAPITAL TERHADAP PROFITABILITAS PT ASURANSI RAMAYANA Tbk. 2011-2020”. Jurnal Ekonomi Bisnis Manajemen Prima, vol. 4, no. 2, Feb. 2023, pp. 36-47, doi:10.34012/jebim.v4i2.3325.