Sinaga, Harry Jason, Lisbet N. Sihombing, and Yanti Arasi Sidabutar. “The Effect of Wordwall Media Use on The Science Learning Outcomes Of Grade IV Students”. Jurnal Ilmu Sosial dan Humaniora 3, no. 4 (October 30, 2025): 219–228. Accessed April 18, 2026. https://putrapublisher.org/ojs/index.php/isihumor/article/view/1201.