Matos GA, Agetta YM, Kowiyah K. PERSEPSI KESULITAN BELAJAR MATEMATIKA GEOMETRI BANGUN RUANG DI SEKOLAH DASAR . Sindoro [Internet]. 2024 Nov. 10 [cited 2025 Jul. 5];7(12):61-70. Available from: https://ejournal.warunayama.org/index.php/sindorocendikiapendidikan/article/view/6747