Simanjuntak, Tika Plorentina, Osco Parmonangan Sijabat, and Desi Sijabat. “OPS Effect of the Use of Audio Visual Media on the Learning Outcomes of Class IV Students at Negeri 091299 Sipoldas”. International Journal of Humanities, Management and Social Science (IJ-HuMaSS) 5, no. 2 (December 21, 2022): 72-78. Accessed November 26, 2024. https://lamintang.org/journal/index.php/ij-humass/article/view/419.