PARWATA, I. W. PENGARUH MODEL PEMBELAJARAN NHT TERHADAP HASIL BELAJAR GEOMETRI DITINJAU DARI KEMAMPUAN SPASIAL SISWA SD. Indonesian Journal of Educational Research and Review, [S. l.], v. 2, n. 3, p. 291–301, 2019. DOI: 10.23887/ijerr.v2i3.21368. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJERR/article/view/21368. Acesso em: 5 feb. 2025.