Ridha, N. (2020) “ Proses Penelitian, Masalah, Variabel dan Paradigma Penelitian”, Hikmah, 14(1), pp. 62–70. Available at: https://e-jurnal.staisumatera-medan.ac.id/index.php/hikmah/article/view/18 (Accessed: 22 January 2025).