Mardiana, Mardiana, and Mardiati Mardiati. 2025. “The Influence of the Contextual Teaching and Learning (CTL) Model on the Mathematical Reasoning Abilities of Grade VII Students at SMP PAB 13 Stabat: Pengaruh Model Pembelajaran Contextual Teaching and Learning (CTL) Terhadap Kemampuan Penalaran Matematis Siswa Kelas VII SMP PAB 13 Stabat”. COSMOS: Jurnal Ilmu Pendidikan, Ekonomi Dan Teknologi 2 (4):1045-51. https://cosmos.iaisambas.ac.id/index.php/cms/article/view/339.