Tambunan, Lois, et al. “Development of an Interactive E-Book Learning Media Assisted by the AnyFlip Application on the Topic of Solid Geometry With Flat Surfaces”. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains, vol. 11, no. 2, Oct. 2026, pp. 78-90, doi:10.33541/edumatsains.v11i2.8365.