Dwijayanto, Aditya Jati, and Rofik Jalal Rosyanafi. “Optimalisasi Karakter Gotong Royong Melalui Program Friendship Camp Di PKBM Insan Cerdas Indonesia”. J+PLUS UNESA, vol. 13, no. 1, Jan. 2024, pp. 568-76, https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-luar-sekolah/article/view/61056.