Seabi, M., T. Muller, S. Bolokang, F. Cummings, and C. Arendse. “The Effect of Hydrothermal Grown Zinc Oxide Nanoparticles As Seeds on the Properties of Nanoripples in Zinc Oxide Thin Films”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 40, no. 1, Jan. 2022, pp. 66-69, http://satnt.co.za/index.php/satnt/article/view/880.