Zafri, D. E., Rizki, L. M., & Zulhendri, Z. (2023). Studi Komparasi Antara Model Pembelajaran Discovery Learning dan Self Directed Learning terhadap Kemampuan Pemecahan Masalah Siswa . Journal of Education Research, 4(1), 116–124. https://doi.org/10.37985/jer.v4i1.132