Nafandri Utama, Mhd Virzha, et al. “The Multimodal Indonesian Flipbook E-Module for Vocational High School Students: Spotlighting the Usefulness”. AL-ISHLAH: Jurnal Pendidikan, vol. 15, no. 4, Oct. 2023, pp. 4317-2, doi:10.35445/alishlah.v15i4.3857.