ANALYSIS OF THE USE OF GEOGEBRA AS AN INTERACTIVE LEARNING MEDIA IN IMPROVING UNDERSTANDING OF FLAT SHAPE AREA CALCULATION SKILLS IN 3RD GRADE ELEMENTARY SCHOOL. Aljabar [Internet]. 2024 Oct. 20 [cited 2026 Feb. 13];1(1):34-4. Available from: https://journal.cerdasnusantara.org/index.php/aljabar/article/view/66