Sidabutar, H. .; Gaol, A. L. . The Effectiveness of Multimedia-Based Biology Learning on the Main Material of the Structure and Function of Tissue-Making Cells in Plants and Animals Class XI IPA at SMA Negeri 1 Onan Ganjang T.P. 2021/2022. Jurnal Ilmiah Pendidikan 2022, 1, 763-770.