“The Effect of Lapbooks on IPAS Instruction on the Topic of Cultural Diversity and Its Impact on the Learning Outcomes of Fourth-Grade Elementary School Students : Pengaruh Media Lapbook Pada Pembelajaran IPAS Materi Keragaman Budaya terhadap Hasil Belajar Siswa Kelas IV Sekolah Dasar” (2026) Indonesian Journal of Education Methods Development, 21(3), p. 10.21070/ijemd.v21i3.1167. doi:10.21070/ijemd.v21i3.1167.