“Pengaruh Self-Directed Learning dalam Pembelajaran Problem Based Learning Berbasis Deep Learning terhadap Kemampuan Pemecahan Masalah Matematis Siswa” (2026) IEC: Journal of Educational Innovation, 2(3), pp. 42–54. Available at: https://research.iecjournal.com/index.php/IEC-JEI/article/view/47 (Accessed: 24 September 2026).