Jaya A. SATUAN BERAT MELALUI PENDEKATAN GROUP INVESTIGATION, MEDIA GAMBAR DAN CONTEXTUAL TEACHING AND LEARNING PADA SISWA KELAS IV SD NEGERI LIGARMANAH. sendinusa [Internet]. 2020 Feb. 4 [cited 2024 Apr. 25];1(1):92-7. Available from: http://ejournal.unsub.ac.id/index.php/sendinusa/article/view/648