1.
Sopian Y. Pengaruh penerapan kombinasi model flip classroom dan project-based learning pada pelatihan upskilling guru kejuruan berstandar industri. Jurnal Oase Nusantara [Internet]. 1Apr.2022 [cited 19Oct.2025];1(1):59-8. Available from: https://ejurnal.kptk.or.id/oase/article/view/10