PERMATASARI N. PENINGKATAN HASIL BELAJAR MENGENAI MATERI KELANGKAAN EKONOMI MELALUI METODE PROBLEM BASED LEARNING (PBL) KELAS X-IIS 3 SMA NEGERI 1 WONOAYU SIDOARJO. JUPE [Internet]. 30Aug.2016 [cited 4May2024];4(3). Available from: https://ejournal.unesa.ac.id/index.php/jupe/article/view/17167