Nuraini N, Hasratuddin H, Napitupulu E, Saragih S, Azmi N, Ramadhani R. Designing a Hypothetical Learning Trajectory Using Prezi Presentation and GeoGebra Application on Flat-Shaped Triangle Geometry Materials. KSS [Internet]. 2024Apr.26 [cited 2024May19];9(13):418–425. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/15943