D. Aridarma, R. Sadikin, B. S. Prakoso, and H. S. Utama, “USTADZ ABDUL SOMAD LECTURE SENTIMENT ANALYSIS USING SUPPORT VECTOR MACHINE ALGORITHM COMPARISON OF COMPARATIVE FEATURES SELECTION: Analisis Sentimen Ceramah Ustad Abdul Somad Menggunakan Algoritma Support Vector Machine Komparasi Feature Selection”, pilar, vol. 16, no. 1, pp. 111–116, Mar. 2020.