I. A. Tansar and T. Ningsih, “Dampak Covid-19 Terhadap Harga Saham Dan Volume Perdagangan PT Garuda Indonesia, Tbk”, Jurnal Computech & Bisnis, vol. 15, no. 2, pp. 143–160, Dec. 2021, doi: 10.56447/jcb.v15i2.10.