ZULAELIYAH, I. UPAYA MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA KELAS IV SDN GUNUNGPAYUNG PADA MATERI KELILING SERTA LUAS BANGUN DATAR DENGAN MODEL PROBLEM BASED LEARNING. Satya Widya, [S. l.], v. 37, n. 1, p. 25–32, 2021. DOI: 10.24246/j.sw.2021.v37.i1.p25-32. Disponível em: https://ejournal.uksw.edu/satyawidya/article/view/4695. Acesso em: 29 sep. 2023.