“EFEKTIVITAS MODEL PROBLEM BASED LEARNING DAN MODEL GROUP INVESTIGATION BERBANTU MACROMEDIA FLASH TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS”. Prosiding Seminar Nasional Matematika dan Pendidikan Matematika 4 (August 20, 2019): 309–317. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/senatik/article/view/71.