Al-Mikh, M. T. A., S. L. Assi, and H. K. Abdul-Ameer. “Response of Sweet Pepper Capsicum Annulus L. (Qurtuba Cultivar) To Spraying With Two Types of Potassium Fertilizer Cultivated In Plastic House”. Journal of University of Babylon for Engineering Sciences, Vol. 27, no. 2, May 2019, pp. 138 -49, doi:10.29196/jubes.v27i2.2322.