UNI, Gati Eka Wening; SABTIAWAN, Wahyu Budi; WIDODO, Wahono. PENERAPAN ASESMEN BERBASIS FLIPPED LEARNING PADA MATERI ZAT ADITIF DALAM MASA PANDEMI COVID-19. PENSA E-JURNAL: PENDIDIKAN SAINS, [S. l.], v. 9, n. 3, p. 289–296, 2021. DOI: 10.26740/pensa.v9i3.38803. Disponível em: https://ejournal.unesa.ac.id/index.php/pensa/article/view/38803. Acesso em: 29 dec. 2025.