Dagan D. Upaya Peningkatan Pemahaman Simetri Putar Dan Simetri Lipat Dengan Menerapkan Model Pembelajaran Pemecahan Masalah Saintifik Pada Siswa Kelas III A SD Negeri Tumbang Kalemei: Efforts To Improve The Understanding Of Rotal Synthry And Fold Synthry By Applying A Scientific Problem Solving Learning Model In Grade III A Students Of Tumbang State SD Kalemei. Bitnet J Pendidikan Teknologi Informasi [Internet]. 2020Sep.30 [cited 2024May16];5(2):9-16. Available from: https://journal.umpr.ac.id/index.php/bitnet/article/view/1745