ANGGRIANI, G.; SURYANI, S. D.; HARTATI, M. S. Development of a Project-Based Learning-Oriented Practicum Guide on the Respiratory System to Enhance Junior High School Students’ Critical Thinking Skills . Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan), [S. l.], v. 7, n. 1, p. 133–142, 2026. DOI: 10.54371/ainj.v7i1.1331. Disponível em: https://journal.ainarapress.org/index.php/ainj/article/view/1331. Acesso em: 1 apr. 2026.