Heryadi Y. Upaya Meningkatkan Hasil Belajar IPA Melalui Model Contextual Teaching And Learning (CTL) Pada Materi Sumber Energi di Kelas IV SDN 2 Narimbang Mulia. JPDK [Internet]. 2022 Nov. 4 [cited 2026 Mar. 1];4(6):937-44. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8298