ASY SYAFFA, Widyastuti; IIN MURTINI. Effectiveness of Using QR Code-Based Biotechnology Practical E-Instructions for Junior High School Students to Improve Critical Thinking Skills. BIO-EDU: Jurnal Pendidikan Biologi, [S. l.], v. 11, n. 1, p. 66–73, 2026. DOI: 10.32938/jbe.v11i1.9981. Disponível em: http://jurnal.unimor.ac.id/index.php/JBE/article/view/9981. Acesso em: 1 may. 2026.