M.D. Saparboyev. 2023. “ACCEPTABLE TECHNOLOGIES IN THE IMPROVEMENT OF THE FILLER AND MIXTURE CONTACT ZONE”. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact Factor: 8.036 12 (04):27-28. https://gejournal.net/index.php/IJSSIR/article/view/1706.