Nurjannah E, Martini M, Susiyawati E. KETERAMPILAN PEMECAHAN MASALAH MELALUI PENERAPAN MODEL PROBLEM BASED LEARNING BERBASIS SAINS OUTDOOR. Pensa: E-Jur. Pendidik. Sains [Internet]. 2021 Jan. 31 [cited 2024 Dec. 9];9(1):29-34. Available from: https://ejournal.unesa.ac.id/index.php/pensa/article/view/38488