Dewantara, David, and Arfin Nurma Halida. “Peran Regulasi Diri Terhadap Prokrastinasi Pada Siswa SMP Negeri 48 Surabaya”. Character Jurnal Penelitian Psikologi 12, no. 03 (December 31, 2025): 1126–1133. Accessed January 8, 2026. https://ejournal.unesa.ac.id/index.php/character/article/view/74217.