ANALYSIS OF TEACHERS’ DIFFICULTIES IN TEACHING MATHEMATICS IN GRADE IV. Jurnal Keluarga Sehat Sejahtera, [S. l.], v. 22, n. 2, p. 139–144, 2024. DOI: 10.24114/jkss.v22i2.65933. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jkss/article/view/65933. Acesso em: 15 mar. 2026.