& Frhan A-H. 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 [Internet]. 22Dec.2017 [cited 29Nov.2019];48(6 B). Available from: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/279