Fitriani, Rismi and Rusdan, Ilzamha hadijah (2022) PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA PADA MATA PELAJARAN IPA KELAS IV DI SD MUHAMMADIYAH 1 NGRAMBE. Skripsi thesis, FIT/PGMI.