Pattiasina, V., F. R. Sejati, Y. C. Seralurin, R. W. Batilmurik, and M. A. A. Aziz. “The Impact of Financial Ratios towards Profit Changes”. International Research Journal of Management, IT and Social Sciences, vol. 5, no. 5, Aug. 2018, pp. 1-16, doi:10.21744/irjmis.v5n5.275.