ALVIN SAPUTRA, R. Implementasi User-Based Collaborative Filtering dengan Cosine Similarity untuk Sistem Rekomendasi Produk pada Marketplace Botol Plastik Berbasis Web. EduInovasi:  Journal of Basic Educational Studies, [S. l.], v. 6, n. 1, p. 604–618 , 2026. Disponível em: https://journal-laaroiba.com/ojs/index.php/edu/article/view/12261. Acesso em: 25 may. 2026.