Erkinovich, Matniyazov Zafarbek, and Farxatova Zilolaxon Xikmat kizi. “The Principles of Formation of a GYM in Modern Multi-Storey Residential Buildings”. International Journal of Innovative Analyses and Emerging Technology, vol. 1, no. 7, Dec. 2021, pp. 115-9, https://oajournals.net/index.php/ijiaet/article/view/857.