Ramírez, Rosmeri Cabrera, et al. “Nutritional Management of Hybrid Pine Trees and Use of Indole Butyric Acid for Cloning by Cuttings”. Revista Mexicana de Ciencias Forestales, vol. 13, no. 69, Jan. 2022, pp. 132-54, https://doi.org/10.29298/rmcf.v13i69.1070.