Shohruh Shonazarovich, Y. and Abduraxim Axmedovich, K. 2021. INVESTIGATION OF THE QUALITATIVE, PHYSICOCHEMICAL AND MINERALOGICAL PROPERTIES OF THE RAW MATERIAL INDEX OF MINERAL LINING BRICKS. Middle European Scientific Bulletin. 17, (Oct. 2021), 23-40. DOI:https://doi.org/10.47494/mesb.v17i.760.