Jassam, Q. T. (2017) “ECONOMIC STUDY TO MEASURE THE EFFICIENCY AND ITEMS OF MARKETING MARGINS OF TOMATO CROP YEAR 2015 AL-TAJI DISTRICT”, IRAQI JOURNAL OF AGRICULTURAL SCIENCES, 48(3). Available at: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/393 (Accessed: 20November2019).