ANWAR, Khairul. MENINGKATKAN HASIL BELAJAR IPA SISWA MELALUI MODEL PEMBELAJARAN INSIDE OUTSIDE CIRCLE DI KELAS IV SD NEGERI 020620 BINJAI SELATAN. JURNAL HANDAYANI PGSD FIP UNIMED, [S. l.], v. 8, n. 1, p. 17–22, 2018. DOI: 10.24114/jh.v8i1.10563. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/10563. Acesso em: 19 oct. 2025.