RUMAHORBO, Daniel; PARAPAT, Gerhard Hasangapon; TAMPUBOLON, Josua Deo; NASUITON, Aurella; RAMDHANI, Fanny; ARNITA, Arnita. Analisis Klaster Persebaran COVID-19 di Sumatera Utara Menggunakan Metode K-Means dengan Visualisasi Berbasis Google Colab. QISTINA: Jurnal Multidisiplin Indonesia, [S. l.], v. 4, n. 1, p. 974–980, 2025. DOI: 10.57235/qistina.v4i1.6389. Disponível em: https://rayyanjurnal.com/index.php/qistina/article/view/6389. Acesso em: 26 jul. 2026.