SZARVAS, P.; ZSILA-ANDRÉ, A.; KOVÁCS, Z.; FÁRI, M. G. Micropropagation of Rudbeckia hirta L. from seedling explants. Acta Agraria Debreceniensis, [S. l.], n. 22, p. 53-59, 2006. DOI: 10.34101/actaagrar/22/3191. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/3191. Acesso em: 19 jan. 2021.