Oktaviyanti, A., and S. Sairin. “Effect of Changes in Working Capital and Current Ratio on Return on Equity at PT. Kalbe Farma Tbk. Period 2010 – 2020”. Fin Sinergy: Jurnal Manajemen Keuangan, Vol. 1, no. 1, June 2023, pp. 71-79, doi:10.56457/fin.v1i1.496.