Butar-Butar, Nurmi. “MENINGKATKAN HASIL BELAJAR IPA SISWA MELALUI UPAYA PENERAPAN MODEL PEMBELAJARAN INQUIRY TRAINING DI KELAS VIII-7 SMP NEGERI 19 MEDAN”. JURNAL HANDAYANI PGSD FIP UNIMED 4, no. 1 (December 20, 2015). Accessed January 31, 2025. http://103.242.233.34/index.php/handayani/article/view/2836.