For citations:
Jarassova T.S., Altunsoy M. PETROLEUM BIOMARKERS AS INDICATORS OF OIL ORIGIN AND MATURITY IN THE SOUTH-EASTERN PRECASPIAN BASIN. Herald of the Kazakh-British Technical University. 2025;22(3):340-346. https://doi.org/10.55452/1998-6688-2025-22-3-340-346