Zuliuskandar, V. V., Yusa, M., & Purwandari, E. P. (2025). HYBRID METHOD USING NON-NEGATIVE MATRIX FACTORIZATION AND KEYWORD-BASED FILTERING FOR RECOMMENDER SYSTEM IN MOOCS. Jurnal Teknik Informatika (Jutif), 6(1), 345-358. https://doi.org/10.52436/1.jutif.2025.6.1.3605