’ALIM, A.; SOLICHIN, A.; PAINEM, P. Sistem Rekomendasi Keterampilan Teknologi Informasi Dengan Metode User-Based Collaborative Filtering dan Log-Likelihood Similarity. CogITo Smart Journal, [S. l.], v. 6, n. 2, p. 141–154, 2020. DOI: 10.31154/cogito.v6i2.234.141-154. Disponível em: https://cogito.unklab.ac.id/index.php/cogito/article/view/234. Acesso em: 6 sep. 2025.