Lam, N. “Influence of Calium Sulfate on Some Properties of Ternary Ettringite Binder”. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, Vol. 11, no. 6, Dec. 2017, pp. 111-6, https://stce.huce.edu.vn/index.php/en/article/view/944.