Salas, E., C. López, B. González, F. J. H. Bonilla, and J. A. M. Fuentes. “Phytochemical Comparison of Stem and Leaves of Cupressus Sempervirens L. From Cuba”. Asian Journal of Biology, Vol. 10, no. 1, Sept. 2020, pp. 48-55, doi:10.9734/ajob/2020/v10i130099.