Susilowati, S. M. E., Delima, A., & Widiyaningrum, P. (2017). PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) BERBANTUAN LKS KREASI SISTEM RESPIRASI TERHADAP HASIL BELAJAR SISWA SMA. Satya Widya, 33(2), 154–164. https://doi.org/10.24246/j.sw.2017.v33.i2.p154-164