Alikulova , Hakima Ahmad kizi, and Mukaddas Eralievna Ikramova. 2024. “DETERMINATION OF THE DENSITY INDEX OF PETROLEUM PRODUCTS FOR USE IN CALIBRATION AND COMPARISON OF MEASURING INSTRUMENTS”. Digital Technologies in Industry 2 (4): 125-31. https://doi.org/10.70769/3030-3214.SRT.2.4.2024.44.