Suhendra, Y. A. Kanthi, and A. Tirtana, “An Android-Based User Recommendation System for Social Network Platform Using Collaborative Filtering Method on Youth Break the Boundaries Foundation: Sistem Rekomendasi Pengguna Aplikasi Jejaring Sosial Berbasis Android dengan Algoritma Cosine Similarity pada Youth Break the Boundaries Foundation”, pssh, vol. 3, pp. 201-212, Jun. 2022.