Okwany, I.; Okelo, N.; Ongati, O. Numerical Radii Inequalities for Derivations Induced by Orthogonal Projections. Int. J. Mod. Comput. Inf. Commun. Technol. 2021, 4 (3 & 4), 7-12. https://doi.org/10.65000/cj7p9549.