Afrinanda, Rizky, et al. “Hybrid Model for Sentiment Analysis of Bitcoin Prices Using Deep Learning Algorithm”. MATRIK : Jurnal Manajemen, Teknik Informatika Dan Rekayasa Komputer, vol. 22, no. 2, Mar. 2023, pp. 309-24, https://doi.org/10.30812/matrik.v22i2.2640.