Wulandari, Ika Sri, Ikhlasul Ardi Nugroho, and Garib Firman Buaga. 2025. “Development of Eco-Friendly Big Book Media to Increase Interest and Science Literacy of 1st Grade Students”. Jurnal Penelitian Pendidikan IPA 11 (3):187-94. https://doi.org/10.29303/jppipa.v11i3.10500.