Umarov, S. and Ismailov, R. (2025) “UDK 541.64:661.18 ANALYSIS OF HYDROXYBENZENE-METHANAL OLIGOMERS USING ¹H NMR SPECTROSCOPY METHODS”, Scientific and Technical Journal of Namangan Institute of Engineering and Technology, 10(1), pp. 139–147. doi: 10.61151/stjniet.v10i1.705.