Ningsih, N.W., Pramasha, R.R., Kurniawan, A. and Audia, N. 2024. A Comparison of the Financial Performance of Telecommunication Companies Listed on the Jakarta Islamic Index Before and Amidst the Covid-19 Pandemic. KnE Social Sciences. 9, 16 (May 2024), 181–188. DOI:https://doi.org/10.18502/kss.v9i16.16244.