Irwansyah, Nur Fadiyah Ifa Putri, et al. “Effectiveness of RSI and Bollinger Bands in Identifying Buy and Sell Signals ”. Wiga : Jurnal Penelitian Ilmu Ekonomi, vol. 15, no. 1, Mar. 2025, pp. 60-70, doi:10.30741/wiga.v15i1.1443.