Scull, I., Savón, L., Ruíz, T. E. and Herrera, M. (2022) “Effect of growth age on the polyphenol content of materials from Tithonia diversifolia (Hemsl.)”, Cuban Journal of Agricultural Science, 56(3). Available at: https://www.cjascience.com/index.php/CJAS/article/view/1060 (Accessed: 10 May 2024).