PENGARUH MODEL CONTEXTUAL TEACHING AND LEARNING BERBANTUAN FLIP CARD TERHADAP PEMAHAMAN KONSEP IPAS SISWA KELAS IV SD GUGUS VII KECAMATAN SUKASADA. widyajaya [Internet]. 2026 Apr. 11 [cited 2026 May 14];6(1):344-5. Available from: https://journal.mpukuturan.ac.id/index.php/widyajaya/article/view/1545