AENI, Siti Nur; ABDULLAH, Mirna Nur Alia; MUJAYAPURA, Muhammad Retsa Rizaldi. Pengaruh Circle Pertemanan terhadap Efektivitas Kelompok Belajar Mahasiswa. Pahlawan: Jurnal Ilmu Pendidikan-Sosial-Budaya, [S. l.], v. 21, n. 2, p. 182–192, 2025. DOI: 10.57216/pah.v21i2.1. Disponível em: https://jurnaluvaya.my.id/index.php/pah/article/view/1. Acesso em: 17 apr. 2026.