Agustina, R. Mahdalena Simanjorang, Bagas Multasyah, and Bagus Rivaldi. 2026. “Enhancing Product Recommendations Using ALS Matrix Factorization on Retailrocket With Apache Spark”. The IJICS (International Journal of Informatics and Computer Science) 10 (2):107-14. https://doi.org/10.30865/ijics.v10i2.9845.