Wahyuni, Sri, Siti Nurjannah, & Aris Singgih Budiarso. " PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA SMP MATERI TEKANAN HIDROSTATIS." FKIP e-PROCEEDING [Online], (2022): 128-137. Web. 22 Dec. 2024