KHARISNA, Feby; AMINI, Risda. Validity of Kvisoft Flipbook Maker-Assisted PjBL-Based E-books for Elementary Schools. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 7, n. 2, p. 1809–1817, 2023. DOI: 10.31004/obsesi.v7i2.4205. Disponível em: https://obsesi.or.id/index.php/obsesi/article/view/4205. Acesso em: 28 sep. 2026.