S. Rodríguez-Barona, Y. Zuluaga-Pava, and D. Cruz-Ríos, “Potentially synbiotic product based on Andean blackberry (Rubus glaucus) by applying vacuum impregnation”, Sci. agropecu, vol. 3, no. 4, pp. 273–278, Sep. 2012, doi: 10.17268/sci.agropecu.2012.04.01.