Sultonbek , B. “BASALT FIBER GRAVEL - SCIENTIFIC-METHODICAL PRINCIPLES OF CREATION OF ROCK STONE COVERING MATERIALS”. American Journal of Engineering , Mechanics and Architecture (2993-2637), vol. 2, no. 4, Apr. 2024, pp. 72-74, http://grnjournal.us/index.php/AJEMA/article/view/4274.