PANGPAIBOON, N., K. PHETNAM, S. KALASUNG, C. . CHANANONAWATHORN, V. PATTHANASETTAKUL, M. . HORPRATHUM, P. . EIAMCHAI, N. . NUNTAWONG, and S. . LIMWICHEAN. “Raman Signal Enhancement of Low-Cost Metal Sheet SERS With Gold Decoration”. Journal of Metals, Materials and Minerals, vol. 31, no. 4, Dec. 2021, pp. 33-39, http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1133.