Vílchez-Perozo, J. A., and N. R. Albany de Vílchez. “Study of Time and Frequency Immersion in the in Vitro Multiplication of Paulownia Elongata S.Y.Hu.”. Journal of the University of Zulia , Vol. 16, no. 45, Jan. 2025, pp. 110-9, doi:10.5281/zenodo.14602220.