Mohamed Ali, N., F. N. D. Ibrahim, M. Morsin, M. Mat Salleh, N. A. Jumadi, and M. Morsin. “Structural and Optical Properties of Gold Nanosphericals in Variation of Growth Time Using Seed Mediated Growth Method”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3-8, Nov. 2017, pp. 67-71, https://jtec.utem.edu.my/jtec/article/view/3100.