THE USE OF GEOGEBRA-BASED LEARNING MEDIA IN IMPROVING THE UNDERSTANDING OF VOLUME AND SURFACE AREA OF SOLID FIGURES IN FIFTH GRADE. Aljabar [Internet]. 2026 Oct. 26 [cited 2026 Nov. 5];1(2):53-60. Available from: https://journal.cerdasnusantara.org/index.php/aljabar/article/view/78