Daba’an, R.A. and Al-Najar, H. 2018. The Effect of Long Term Irrigation by Treated Effluent on Boron Accumulation in Soil and Citrus Plants. Asian Review of Environmental and Earth Sciences. 5, 1 (Dec. 2018), 22–26. DOI:https://doi.org/10.20448/journal.506.2018.51.22.26.