Determination of the effective of chemical mutagenesis using sodium azide to improvement of vegetative growth and flowering characteristics in Helichrysum bracteatum L. plant. Journal of Pharmaceutical Negative Results, [S. l.], p. 1894–1905, 2022. DOI: 10.47750/pnr.2022.13.S03.285. Disponível em: https://pnrjournal.com/index.php/home/article/view/3070.. Acesso em: 26 jun. 2026.