WAHYUNI, WIWIEK SRI, et al. “Synergism of Lumbricus Rubellus and Pseudomonas Putida Pf-20 in Inducing Resistance to Cucumber Mosaic Virus”. HAYATI Journal of Biosciences, vol. 13, no. 3, Dec. 2009, p. 95, https://doi.org/10.4308/hjb.13.3.95.