Ervina, N., Azwar, K., Susanti, E. and Dewi Nainggolan, C. (2022) “Effect Of Inflation, Exchange Rates, And Trading Volume Activity On Stock Price Indices During The Covid-19 Pandemic On Companies In The Basic Industry And Chemical Sectors”, International Journal of Science, Technology & Management, 3(6), pp. 1650-1658. doi: 10.46729/ijstm.v3i6.693.