T. Qamara, A. Wulandari, A. Sukoco, and J. Suyono, “The Influence of Current Ratio, Debt to Equity Ratio, And Total Asset Turnover Ratio on Profitability of Transportation Companies Listed On the Indonesia Stock Exchange 2014-2018”, ijieeb, vol. 3, no. 2, pp. 81 - 93, Sep. 2020.