PriariE. and WulandariA. (2019) “Ratio Analysis to Measuring Financial Performance of PT. Indosat Tbk. Listed in IDX (Period 2015-2018)”, IJIEEB International Journal of Integrated Education, Engineering and Business eISSN 2615-1596 pISSN 2615-2312, 2(2), pp. 105-114. doi: 10.29138/ijieeb.v2i2.958.