Salmawati. EFEKTIVITAS PROBLEM-BASED LEARNING BERBANTUAN GEOGEBRA TERHADAP KEMAMPUAN PEMECAHAN MASALAH DAN SELF-REGULATED LEARNING SISWA SMP. hybrid [Internet]. 2025 Mar. 30 [cited 2026 May 20];3(3):22-31. Available from: https://www.etdci.org/journal/hybrid/article/view/4889