Abdulridha, Estabraq, AND 		Abdulfattah, Farqad.
" The Induction  of  systemic Resistance in plants by UsingPlant  Growth Promoting Rhizobacteria ( PGPR) to control the root knot disease on tamato  caused by Meloidogyne spp" <em>Journal of Kerbala for Agricultural Sciences</em> [Online], Volume 3 Number 4 (1 December 2016)