PURWOTO, Asep Dwi; SUHARNO, Suharno; SUKARMIN, Sukarmin. Development of A Problem-Based Physics E-Module with A Flipped Classroom Approach Using Sigil Software as An Alternative Learning Media During the COVID-19 Pandemic. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 2, p. 911–917, 2022. DOI: 10.29303/jppipa.v8i2.1198. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1198. Acesso em: 24 apr. 2024.