Kristanda MB, Hansun S, Albert A. Rancang Bangun Aplikasi UMN Library Catalog Menggunakan Metode Rocchio Relevance Feedback. ULTIMA InfoSys [Internet]. 2018 Jun. 30 [cited 2025 May 18];9(1):9-17. Available from: https://ejournals.umn.ac.id/index.php/SI/article/view/684