Fitriana F, iroth S, Polli IJ. PENGARUH PENGGUNAAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERBICARA SISWA DI KELAS VII MTS . STRATEGI [Internet]. 2026 Apr. 10 [cited 2026 May 10];6(2):440-51. Available from: https://www.jurnalp4i.com/index.php/strategi/article/view/10005