Asy Syaffa, W. and Iin Murtini (2026) “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, 11(1), pp. 66–73. doi: 10.32938/jbe.v11i1.9981.