Pratama, M. A. S., Y. Bermawi, and S. R. Artini. “The Effect of Addition Superplasticizer (Sikament-LN) With Variation of Percentage on Compressive Strength Foamed Mortar Lightweight Materials”. CIVED, vol. 10, no. 3, Sept. 2023, pp. 1136-45, doi:10.24036/cived.v10i3.465.