Estimate the cost Long-run function and economies of the optimal size in wheat farms under sprinkler irrigation system Be pivotal role in the desert land – Anbar province-AL- Kahem constituency for the productive season 2009 /2010
Maǧallaẗ al-Anbār li-l-ʿulūm al-zirāʿiyyaẗ/Maǧallaẗ al-anbār li-l-ʻulūm al-zirāʻiyyaẗ