Asy Syaffa, Widyastuti, 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):66-73. https://doi.org/10.32938/jbe.v11i1.9981.