Ru?z, T. E., G. Febles, and H. D?az. “Plantation Distance, Frequency and Cutting Height on the Biomass Production of Tithonia Diversifolia Collection 10 During the Year”. Cuban Journal of Agricultural Science, vol. 46, no. 4, Dec. 2012, https://cjascience.com/index.php/CJAS/article/view/157.