Asst. Lect. Faryad Ahmed Salih Department of General Sciences, College of Basic Education, Salahaddin University-Erbil, Kurdistan Region – Iraq, Asst. Lect. Zhin Hamid Hamasalih Department of Physics, College of Education-Shaqlawa, Salahaddin University-Erbil, Kurdistan Region – Iraq, Asst. Prof. Dr. Department of General Sciences, College of Basic Education, Salahaddin University-Erbil, Kurdistan Region – Iraq
