Rostam Kareem Saeed

Department of Mathematics, College of Science ,Salahaddin University - Erbil

Iraq

Mahfoodh Khaleel Abdullah

Department of Food, College of Agriculture , Tikrit University

Iraq

Sadiq A. Mehdi

Department of Mathematics, College of Education for Pure Sciences,Mustansiriyah University

Iraq

Mustafa Abdullah Theyab

Department of Applied Chemistry, College of Applied Sciences-University of Samarra, Iraq

Iraq