Munir, M., Agusta, E., & Arisandy, B. D. (2017). PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KETERAMPILAN PROSES SAINS PADA MATERI SISTEM PERNAPASAN DI KELAS XI SMA PGRI PRABUMULIH. Bioilmi: Jurnal Pendidikan, 3(2), 109-123. https://doi.org/10.19109/bioilmi.v3i2.1403