Development of Electronic Student Worksheets Based on FLIP PDF Using Problem Based Learning Models  on Static Fluid Material. Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika, [S. l.], v. 19, n. 1, p. 34–43, 2026. DOI: 10.24036/qc2a9b36. Disponível em: https://pope.ppj.unp.ac.id/index.php/pope/article/view/7. Acesso em: 21 apr. 2026.