Kurniasih, C., Puadi, E. F. W., & Umbara, U. (2018). Efforts to improve the ability of connection through the contextual approach to mathematic subject. JUMLAHKU: Jurnal Matematika Ilmiah Universitas Muhammadiyah Kuningan, 4(1), 1-11. Retrieved from https://jurnal.umkuningan.ac.id/index.php/jumlahku/article/view/299