Jalil, L. F., M. A. kareem H. Al-Rawi, and A. D. Al-Nakshabandi. “Cache Coherence Protocol Design Using VMSI (Valid Modified Shared Invalid) States”. Journal of University of Human Development, vol. 3, no. 1, Mar. 2017, pp. 274-81, doi:10.21928/juhd.v3n1y2017.pp274-281.