SIREGAR, K. S.; RESTUATI, M. R.; GULTOM, T. G. Validity of Biology Practicum Guidebook based on Science Literature for High School Class XI Students. META: Journal of Science and Technological Education, [S. l.], v. 1, n. 1, p. 58–75, 2022. Disponível em: https://meta.amiin.or.id/index.php/meta/article/view/5. Acesso em: 31 jul. 2025.