WAHYUNIW. S., ADDYH. S., ARMANB., and SETYOWATIT. C. “Synergism of Lumbricus Rubellus and Pseudomonas Putida Pf-20 in Inducing Resistance to Cucumber Mosaic Virus”. HAYATI Journal of Biosciences, Vol. 13, no. 3, 1, p. 95, doi:10.4308/hjb.13.3.95.