Septriana, Dani, et al. “ANALISIS PERBANDINGAN KINERJA KEUANGAN PT TELKOM INDONESIA (PERSERO) TBK SEBELUM DAN SELAMA PANDEMI COVID-19 DIUKUR BERDASARKAN RASIO GROSS PROFIT MARGIN, CURRENT RATIO, TOTAL ASSET TURNOVER, DEBT TO ASSET RATIO DAN PERTUMBUHAN LABA”. Bussman Journal : Indonesian Journal of Business and Management, vol. 3, no. 3, Dec. 2023, pp. 1212-26, doi:10.53363/buss.v3i3.206.