YUMROTUN, Siti. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEAKTIFAN DAN HASIL BELAJAR MATEMATIKA MATERI PECAHAN SISWA KELAS IV SD NEGERI 01 SIDOMULYO KENDAL. JGK (Jurnal Guru Kita), [S. l.], v. 2, n. 4, p. 49–56, 2019. DOI: 10.24114/jgk.v2i4.13575. Disponível em: http://103.242.233.34/index.php/jgkp/article/view/13575. Acesso em: 7 jan. 2025.