WAHYUDI, WAHYUDI. “STUDI META-ANALISIS PENGARUH PROBLEM BASED LEARNING TERHADAP KETERAMPILAN MATEMATIS SISWA”. SECONDARY: Jurnal Inovasi Pendidikan Menengah 4, no. 1 (April 2, 2024): 1-12. Accessed January 8, 2025. https://mail.jurnalp4i.com/index.php/secondary/article/view/2771.