Hulupi, R., M. ., and B. Andayani. ‚ÄúDistribution of Radopholus Similisand Pratylenchus CoffeaeNematodes in Coffee Plantation‚ÄĚ. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 23, no. 3, Dec. 2006, doi:10.22302/iccri.jur.pelitaperkebunan.v23i3.41.