WIDIYANINGSIH, Budi; SUYITNO, Hardi. Integrating flipped PDF professional to develop a PBL e-worksheet for students’ critical thinking. International Journal on Emerging Mathematics Education, [S. l.], v. 8, n. 1, p. 15–22, 2024. DOI: 10.12928/ijeme.v8i1.29589. Disponível em: https://journal.uad.ac.id/index.php/IJEME/article/view/29589. Acesso em: 4 nov. 2024.