السيرة الذاتية للمدرس الدكتور عبدالله نجم عبدالله الشيخ

Alsheikh, A. N. And Abdulqader, R. S. 2017. Study of some physical and chemical properties for soil watered mith waste water industry forsamarra drug industry and it’s role in Biodegradation . Tikrit University, college of Education for pure science -Biology.

Alsheikh, A. N. And Abdulqader, R. S. 2017. Study capacity of Typha domengensis and Phragmites communis Plants in Bioremediation for removing some excreted antibiotics to waste water for Samaria drug industry . Tikrit University, college of Education for pure science -Biology.