Rozi, I. F. ., Yushintia Pramitarini, & Novia Puspitasari. (2020). Analisis Sentimen Calon Presiden Indonesia 2019 di Twitter Menggunakan Metode Backpropagation. Jurnal Informatika Polinema, 6(2), 27–31. https://doi.org/10.33795/jip.v6i2.306