“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”. 2022. Procedia of Social Sciences and Humanities 3 (June): 201-12. https://doi.org/10.21070/pssh.v3i.156.