Arakelyan, Grigor Arakel, Amalya Karapet Karapetyan, Maria Martin Badalyan, Anahit Arshak Ghahramanyan, and Evgeny Michael Makarov. “Increasing the Efficiency of Fine-Grained Lightweight Concrete Using Complex Additives”. Journal of Architectural and Engineering Research 2 (June 29, 2022): 3–8. Accessed September 22, 2023. https://jaer.nuaca.am/index.php/jaer/article/view/86.