Nuriza R, Mahmudah U. Learning Outside the Classroom Increases Elementary Students’ Interest and Conceptual Understanding of Mathematics: Pembelajaran di Luar Kelas Meningkatkan Minat dan Pemahaman Konseptual Matematika Siswa SD. acopen [Internet]. 2025 Jun. 2 [cited 2025 Sep. 1];10(1):10.21070/acopen.10.2025.11039. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/11039