Wresti, Gunawan, Purwanto and Catur Supriyanto (2022) “Comparison of Grid Search and Evolutionary Parameter Optimization with Neural Networks on JCI Stock Price Movements during the Covid 19”, Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 6(6), pp. 1079 - 1087. doi: 10.29207/resti.v6i6.4402.