1.
Nurhikmayati I. KESULITAN BERPIKIR ABSTRAK MATEMATIKA SISWA DALAM PEMBELAJARAN PROBLEM POSING BERKELOMPOK. KJPM [Internet]. 2017Nov.30 [cited 2025Jul.1];2(2):159-76. Available from: https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/89