Silva-Déley, M., Toro, B.M., Verdecia, D.M., Chacón, E., Roca, J.A., Ledea, J.L., Ramírez, J.L. and Herrera, R.S. 2023. Estimation of secondary compounds in Tithonia diversifolia from the regrowth age and primary metabolites . Cuban Journal of Agricultural Science. 57, (Dec. 2023).