YULIANI, . M. . PENGARUH MODEL PROBLEM BASED INTRODUCTION TERHADAP PRESTASI BELAJAR IPS KOMPETENSI MENGENAL JENIS-JENIS USAHA DAN KEGIATAN EKONOMI DI INDONESIA SISWA KELAS V DI MI NW PESENG TAHUN PELAJARAN 2021/2022. Jurnal Ilmiah Global Education, [S. l.], v. 2, n. 1, p. 51–57, 2021. DOI: 10.55681/jige.v2i1.79. Disponível em: https://ejournal.nusantaraglobal.or.id/index.php/jige/article/view/79. Acesso em: 7 jan. 2025.