Lubis R, Harahap T, Nasution DP. Pendekatan Open-Ended dalam Membelajarkan Kemampuan Koneksi Matematis Siswa. MOS [Internet]. 2019 Sep. 30 [cited 2024 Jul. 5];8(3):399-410. Available from: https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/576