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 2025Apr.4];7(2):20-4. Available from: https://ojs.umpr.ac.id/suluh/article/view/3392