Hani Nurrahmi, Wibowo AT, Meliana S. Non-Negative Matrix Factorization Based Recommender System using Female Daily Implicit Feedback. IndoJC [Internet]. 2022 Apr. 1 [cited 2024 Dec. 27];7(1):1-14. Available from: https://socjs.telkomuniversity.ac.id/ojs/index.php/indojc/article/view/599