Hassan, S. K. “The Effectiveness Blended Learning on Developing in Some Technical Skills for Students: A Field Study in College of Education, Salahaddin University- Erbil”. Koya University Journal of Humanities and Social Sciences, vol. 2, no. 2, Dec. 2019, pp. 94-102, doi:10.14500/kujhss.v2n2y2019.pp94-102.