& Frhan, A.-H. 2017. A COMPATIVE STUDY OF TECHNICAL EFFICIENCY OF CERTIFED WHEAT CULTIVARS) ADNA 99 AND IPA 99) IN IRAQ DURING THE SEASON 2014-2015.(WASIT GOVERNORATE AS A CASE STUDY). IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 48, 6 B (Dec. 2017). DOI:https://doi.org/10.36103/ijas.v48i6 B.279.