JOHNSON K GEORGE, N K LEELA, P A MATHEW, P. U. G. R. A. K. V. S. Diversity study of leaf volatile oil constituent of Piper species based on GC/ MS and spatial distribution. Journal of Spices and Aromatic Crops, [S. l.], v. 23, n. 1, p. 10–16, 2014. Disponível em: https://www.updatepublishing.com/journal/index.php/josac/article/view/5077. Acesso em: 24 sep. 2025.