Sholichin, M. et al. 2022. Validity and Practicality of 3D Page Flip Professional Assisted Mobile Learning-Based E-Module on Ecology Material and Environmental Change . Jurnal Penelitian Pendidikan IPA. 8, 6 (Dec. 2022), 3034–3043. DOI:https://doi.org/10.29303/jppipa.v8i6.2467.