BEGUM, J.; BHUIYAN, M. N. I.; CHOWDHURY, J. U. Essential oil from inflorescence of <i>Spilanthes calva</i> D.C. Bangladesh Journal of Botany, [S. l.], v. 37, n. 2, p. 217–218, 2008. DOI: 10.3329/bjb.v37i2.1737. Disponível em: https://banglajol.info/index.php/BJB/article/view/1737. Acesso em: 27 jul. 2024.