Urinov Abrorbek Akhrorovich. “STUDY OF PHYSICAL AND MECHANICAL PROPERTIES OF PETROLEUM BITUMEN”. The American Journal of Interdisciplinary Innovations and Research 5, no. 09 (September 26, 2023): 25–29. Accessed December 22, 2024. https://theamericanjournals.com/index.php/tajiir/article/view/4446.