1.
De León-Zamora W, Juárez-López J, Juárez-Ruiz E. Classification of figures in primary school based on van Hiele’s model: Report of two cases. UJME [Internet]. 31Aug.2023 [cited 1Jul.2024];12(2):153-66. Available from: https://journal.unnes.ac.id/sju/ujme/article/view/66357