ORIN PERMATASARI; MAREETA NARA PUSPITANINGRUM; ISTIQOMAH; AZAMUL FADHLY NOOR MUHAMMAD. Kesulitan Belajar Matematika Penjumlahan dan Pengurangan Pecahan Berpenyebut Tidak Sama. PESHUM : Jurnal Pendidikan, Sosial dan Humaniora, [S. l.], v. 5, n. 3, p. 6159–6171, 2026. DOI: 10.56799/peshum.v5i3.14428. Disponível em: https://www.ulilalbabinstitute.id/index.php/PESHUM/article/view/14428. Acesso em: 17 apr. 2026.