Sitohang, Shellyatika Muvela, Janwar Tambunan, and Lisbet Novianti Sihombing. 2025. “The Effect of Audio Visual Media on Learning Outcomes of Grade IV Students In The Subject of Science”. Jurnal Ilmu Sosial Dan Humaniora 3 (4):443-53. https://doi.org/10.58540/isihumor.v3i4.1271.