& AL-Hassan, Burhan. “IMPACT OF NANO NPK FERTILIZERS TO CORRELATION BETWEEN PRODUCTIVITY, QUALITY AND FLAG LEAF OF SOME BREAD WHEAT VARIETIES”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 50, no. Special (January 19, 2019). Accessed May 13, 2024. https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/171.