Wongthong, R., and P. Jongkol. “Effect of Factors on Hardness and Precipitation of Mg2Si of Aluminum Alloy 6061”. Recent Science and Technology, vol. 14, no. 1, Mar. 2022, pp. 78-90, https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/244731.