et. al., John Henry Wijaya,. 2021. “Measurement Of Food And Beverage Company Profitability For 2014-2018 Using Working Capital, Debt To Equity Ratio And Current Ratio”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (8):1376-80. https://turcomat.org/index.php/turkbilmat/article/view/3157.