Azizah, Laily Nur, et al. “Development of Koperwuz Media Incorporating the Nature of Science (NOS) to Improve Learning Outcomes of Fourth Grade Elementary School Students”. International Journal Education and Computer Studies (IJECS), vol. 5, no. 2, July 2025, pp. 162-74, https://doi.org/10.35870/ijecs.v5i2.4869.