Kustyaningrum, A., and G. A. Lisiantara. “PENGARUH LIQUIDITY RATIO, CREDIT RISK RATIO, PRIMARY RATIO, COMPANY SIZE TERHADAP PROFITABILITY (STUDI KASUS PADA BANK PEMBANGUNAN DAERAH DI INDONESIA PERIODE 2014-2018)”. Proceeding SENDI_U, July 2020, pp. 592-8, https://www.unisbank.ac.id/ojs/index.php/sendi_u/article/view/8040.