Muna, Nailil, Erna Zumrotun, and Syailin Nichla Choirin Attalina. 2025. “Development of 3D Mock-up Media for Respiratory System Learning in Elementary Schools”. Indonesian Journal of Educational Development (IJED) 6 (2):619-31. https://doi.org/10.59672/ijed.v6i2.4762.