Ahmad Indra Nurfauzi and Agung Toto Wibowo 2024. Evaluating Non-Negative Matrix Factorization and Singular Value Decomposition for Skincare Recommendation Systems. Indonesian Journal on Computing (Indo-JC). 9, 3 (Dec. 2024). DOI:https://doi.org/10.34818/INDOJC.2024.9.3.983.