Le-Minh, T., N. Hoang Dong, and D. Nguyen Tan. “Design of Experiment Method – An Application in Improving Quality of Magnesium Hydroxide Produced from Natural Seawater Bittern”. Journal of Chemical Engineering Research Updates, vol. 8, Nov. 2021, pp. 48-59, doi:10.15377/2409-983X.2021.08.4.