The Kirkuk Journal of Science (Kirkuk J. Sci) is an Open Access journal, publishing an article in this journal requires an Article Processing Charge (APC) that will be billed to the submitting author following acceptance. There are no other fees (for example article submission charges, additional pages charges, or color figures charges). The publication cost for an accepted manuscript is 100000 Iraqi Dinars, payable to the Kirkuk Journal of Science, College of Science, Kirkuk University, Kirkuk, Iraq. The publication cost will be waived for those unable to send it from other countries. The financial support of the Kirkuk J. Sci is provided only by the University of Kirkuk and Author Fees.