Marlina L. Peningkatan Pemahaman Siswa Dalam Pelajaran Matematika Pokok Bahasan Bangun Datar Melalui Media Konkrit: Improving Student’s Understanding In Mathematics Lessons Of Building Up Flat Through Concrete Media. Suluh J Bimbingan Konseling [Internet]. 2022Mar.31 [cited 2024Apr.24];7(2):20-4. Available from: https://journal.umpr.ac.id/index.php/suluh/article/view/3392