1.
Ridha N. Proses Penelitian, Masalah, Variabel dan Paradigma Penelitian. hikmah [Internet]. 2020 Aug. 14 [cited 2025 Jan. 22];14(1):62-70. Available from: https://e-jurnal.staisumatera-medan.ac.id/index.php/hikmah/article/view/18