Shakirov, Tuygun, Usmonjon Yusupov, and Bakhrom Khasanov. “Physical and Chemical Research Methods of Lightweight Concrete”. International Journal of Psychosocial Rehabilitation 24, no. 5 (July 31, 2020): 7357–7362. Accessed July 27, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/5773.