[1. Ionescu, I., Permanent grassland in Northern Oltenia, Editors Universitaria, Craiova, Romania, (2001).]Search in Google Scholar
[2. Medelete, D. M., PhD thesis, Research on technology and economic efficiency of grassland in the Subcarpathian side of Oltenia, Craiova (2009).]Search in Google Scholar
[3. Pânzaru, R.L., Medelete, D.M., Gavril, Şt., Economy of crop production, Editors Universitaria, Craiova, Romania, (2009).]Search in Google Scholar
[4. Pânzaru, R.L., Medelete, D.M., Gavril, Şt., 2007, Elements of management and marketing - Editors Universitaria, Craiova, Romania (2007).]Search in Google Scholar
