Griseldis MR, Khasanah LN, Septiani NL, Prananto IW. Improvement of Concept Understanding Through the Development of Interactive Multimedia on Integer Operation Material. DIDAKTIKA [Internet]. 2024 Jan. 11 [cited 2025 May 15];6(2):105-12. Available from: https://jurnal.uny.ac.id/index.php/didaktika/article/view/63448