N. Valero, Y. Ustates, and M. Pantoja-Guerra, “Biostimulant activity of humic acids derived from goat manure vermicompost and lignite in relation to their structure and interaction with a PGPR strain under semiarid conditions”, Rev. Colomb. Cienc. Hortic, vol. 17, no. 2, p. e15956, May 2023.