Gül, A., F. Kidoglu, and Y. Tüzel. “Effects of Nutrition and Bacillus Amyloliquefaciens on Tomato (Solanum Lycopersicum, L.) Growing in Perlite”. Spanish Journal of Agricultural Research, Vol. 6, no. 3, Sept. 2008, pp. 422-9, doi:10.5424/sjar/2008063-335.