Rosyida, S., & Rochmawati, R. (2023). Pengembangan Bahan Ajar Buku Digital Model Pembelajaran Problem Based Learning Berbasis Aplikasi Fliphtml5 di SMK PGRI 2 Sidoarjo. Jurnal Basicedu, 7(4), 2388–2395. https://doi.org/10.31004/basicedu.v7i4.5869