Ermatov Navruz Khushmurodovich, Bekjonov Rozisher Soatmurodovich, Orziyev Shohruh Nuriddinovich, and Akhatova Guliza Anvarovna. 2024. “History of Oil Extraction Process in High Viscosity Deposits”. International Journal of Scientific Trends 3 (7):4-6. http://scientifictrends.org/index.php/ijst/article/view/305.