HANAFY, M.; ALY, U. I.; MATTER, M. A. Regeneration and Transformation via Agrobacterium tumefaciens of Echinacea purpurea L. Plant Tissue Culture and Biotechnology, [S. l.], v. 20, n. 2, p. 101–111, 2011. DOI: 10.3329/ptcb.v20i2.6888. Disponível em: https://www.banglajol.info/index.php/PTCB/article/view/6888. Acesso em: 29 mar. 2024.