Maria Belen Silitonga, Yanti Arasi Sidabutar, and Pdt. Melvin Simanjuntak. 2023. “The Influence of Pop-Up Book Media on Student Learning Outcomes on Subtema 1 Ecosystem Components Class V at UPTD SD NEGERI 122337 Pematang Siantar”. International Journal of Integrated Science and Technology 1 (3):225-32. https://doi.org/10.59890/ijist.v1i3.520.