Atubi, Onamrewho Favour. 2023. “Relevance of Symbol Systems Theory to Instructional Media for the Enhancement of Social Studies Learning Outcome”. Jurnal Penelitian Dan Pengkajian Ilmu Pendidikan: E-Saintika 7 (1): 48-59. https://doi.org/10.36312/esaintika.v7i1.1067.