Putra, Ripki Puja Ika, Muhamad Akbar, and Rahayu Amalia. “Analisis Sentimen Masyarakat Terhadap Kinerja Persatuan Sepakbola Seluruh Indonesia Menggunakan Metode Backpropagation”. Journal of Information Technology Ampera 1, no. 2 (August 1, 2020): 106–118. Accessed April 19, 2026. https://journal-computing.org/index.php/journal-ita/article/view/27.