YULANDA, Vera; HAMIDAH, Afreni; ANGGEREINI, Evita. Development of Electronic Student Worksheets (E-LKPD) Based on Problem Based Learning as an Effort to Improve Critical Thinking of Grade VIII Middle School Students on Respiratory System Material. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 9, p. 7326–7332, 2023. DOI: 10.29303/jppipa.v9i9.4144. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/4144. Acesso em: 6 jul. 2024.