Pengaruh Risiko Kredit, Risiko Operasional dan Risiko Likuiditas terhadap Profitabilitas Bank Umum yang terdaftar di Bursa Efek Indonesia Periode 2010 - 2019 = The Impact of Credit Risk, Operational Risk and Liquidity Risk on the Profitability of Commercial Banks Listed on the Indonesia Stock Exchange for the period 2010 - 2019