Nurjannah, Enni, Martini Martini, and Enny Susiyawati. 2021. “KETERAMPILAN PEMECAHAN MASALAH MELALUI PENERAPAN MODEL PROBLEM BASED LEARNING BERBASIS SAINS OUTDOOR”. PENSA E-JURNAL: PENDIDIKAN SAINS 9 (1):29-34. https://doi.org/10.26740/pensa.v9i1.38488.