Pajri, Dicki, Yuyun Umaidah, and Tesa Nur Padilah. “K-Nearest Neighbor Berbasis Particle Swarm Optimization Untuk Analisis Sentimen Terhadap Tokopedia”. Jurnal Teknik Informatika dan Sistem Informasi 6, no. 2 (August 10, 2020). Accessed November 20, 2024. http://114.7.153.31/index.php/jutisi/article/view/2658.