1.
Asna A, Soedjoko E, Mariani S. Description of Van Hiele’s geometry thinking ability in solving open ended problems in the 7E-Learning Cycle in terms of self efficacy. UJME [Internet]. 31Mar.2021 [cited 21Dec.2024];10(1):20-6. Available from: https://journal.unnes.ac.id/sju/ujme/article/view/31245