Ahmed, F. ., M. . Ali, B. . Hashmi, A. Younas, and B. . Abid. “Navigation Control of a Multi-Functional Eye Robot: Navigation Control of a Multi-Functional Eye Robot”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, vol. 53, no. 1, June 2021, pp. 89–98, http://ppaspk.org/index.php/PPAS-A/article/view/350.