SIREGAR, Ester Vika; FEBRIYANA, Mutia. Upaya Meningkatkan Hasil Belajar Siswa menggunakan Model Problem Based Learning Berbantuan Wordwall pada Pembelajaran Matematika Kelas IV SD Negeri 060909 Medan Denai. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 5, p. 3268–3276, 2024. DOI: 10.31004/innovative.v4i5.15195. Disponível em: http://j-innovative.org/index.php/Innovative/article/view/15195. Acesso em: 5 aug. 2026.