Priari, Eva, and Ani Wulandari. “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, no. 2 (September 14, 2019): 105-114. Accessed December 5, 2025. http://jurnal.narotama.ac.id/index.php/ijieeb/article/view/958.