Aini , N., Hadiyanto, H. and Widowati, A. 2025. Development of STEAM-Based Learning Media (STEAMBOOK) for Teaching Ecosystem Concepts to Fifth-Grade Elementary Students. Journal of Innovation and Research in Primary Education. 4, 4 (Oct. 2025), 2981–2991. DOI:https://doi.org/10.56916/jirpe.v4i4.2436.