[1]
Al-Numa, A. 2009. The Effect of Some Economic Variables in the Agricultural Value Added: A Sample of Arab Countries for Period 1980 – 2002 (Egypt, Syria and Algeria). TANMIYAT AL-RAFIDAIN. 31, 96 (Dec. 2009), 204–221. DOI:https://doi.org/10.33899/tanra.2009.161789.