Felizardo, Lucas Menezes, et al. “Low Frequency Ultrasound As an Enhancer for the Germination Process of Stizolobium Pruriens”. Revista Mexicana De Ciencias Agrícolas, vol. 12, no. 5, Aug. 2021, pp. 765-76, https://doi.org/10.29312/remexca.v12i5.2700.